Home / 732,531.20-1,097,484.60-451,720.40

Finding the Fourth Proportional to 732,531.20, 1,097,484.60 and 451,720.40

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Solution

The fourth proportional to 732,531.20, 1,097,484.60 and 451,720.40 is: 676,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,531.20 : 1,097,484.60 = 451,720.40 : x
  2. Step 2: Convert to fraction form
    732,531.20/1,097,484.60 = 451,720.40/x
  3. Step 3: Cross multiply
    732,531.20x = 1,097,484.60 × 451,720.40
  4. Step 4: Simplify right side
    732,531.20x = 495,756,182,505.84
  5. Step 5: Solve for x
    x = 495,756,182,505.84/732,531.20
  6. Step 6: Final answer
    x = 676,771.42

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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.