Home / 899,139.40-1,348,709.10-234,291.40

Finding the Fourth Proportional to 899,139.40, 1,348,709.10 and 234,291.40

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Solution

The fourth proportional to 899,139.40, 1,348,709.10 and 234,291.40 is: 351,437.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,139.40 : 1,348,709.10 = 234,291.40 : x
  2. Step 2: Convert to fraction form
    899,139.40/1,348,709.10 = 234,291.40/x
  3. Step 3: Cross multiply
    899,139.40x = 1,348,709.10 × 234,291.40
  4. Step 4: Simplify right side
    899,139.40x = 315,990,943,231.74
  5. Step 5: Solve for x
    x = 315,990,943,231.74/899,139.40
  6. Step 6: Final answer
    x = 351,437.10

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Half scale
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Double scale
Find fourth proportional to 899,140.40, 1,348,710.60 and 234,292.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.