Home / 1,070,231.60-1,605,347.40-438,820.40

Finding the Fourth Proportional to 1,070,231.60, 1,605,347.40 and 438,820.40

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Solution

The fourth proportional to 1,070,231.60, 1,605,347.40 and 438,820.40 is: 658,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,231.60 : 1,605,347.40 = 438,820.40 : x
  2. Step 2: Convert to fraction form
    1,070,231.60/1,605,347.40 = 438,820.40/x
  3. Step 3: Cross multiply
    1,070,231.60x = 1,605,347.40 × 438,820.40
  4. Step 4: Simplify right side
    1,070,231.60x = 704,459,188,206.96
  5. Step 5: Solve for x
    x = 704,459,188,206.96/1,070,231.60
  6. Step 6: Final answer
    x = 658,230.60

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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.