Home / 899,138.90-1,348,708.35-234,290.90

Finding the Fourth Proportional to 899,138.90, 1,348,708.35 and 234,290.90

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Solution

The fourth proportional to 899,138.90, 1,348,708.35 and 234,290.90 is: 351,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,138.90 : 1,348,708.35 = 234,290.90 : x
  2. Step 2: Convert to fraction form
    899,138.90/1,348,708.35 = 234,290.90/x
  3. Step 3: Cross multiply
    899,138.90x = 1,348,708.35 × 234,290.90
  4. Step 4: Simplify right side
    899,138.90x = 315,990,093,159.02
  5. Step 5: Solve for x
    x = 315,990,093,159.02/899,138.90
  6. Step 6: Final answer
    x = 351,436.35

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Half scale
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Double scale
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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.