Home / 731,421.90-1,097,132.85-377,127.90

Finding the Fourth Proportional to 731,421.90, 1,097,132.85 and 377,127.90

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Solution

The fourth proportional to 731,421.90, 1,097,132.85 and 377,127.90 is: 565,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,421.90 : 1,097,132.85 = 377,127.90 : x
  2. Step 2: Convert to fraction form
    731,421.90/1,097,132.85 = 377,127.90/x
  3. Step 3: Cross multiply
    731,421.90x = 1,097,132.85 × 377,127.90
  4. Step 4: Simplify right side
    731,421.90x = 413,759,407,741.52
  5. Step 5: Solve for x
    x = 413,759,407,741.52/731,421.90
  6. Step 6: Final answer
    x = 565,691.85

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Half scale
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Double scale
Find fourth proportional to 731,422.90, 1,097,134.35 and 377,128.90
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.