Home / 749,565.28-1,034,425.68-427,323.04

Finding the Fourth Proportional to 749,565.28, 1,034,425.68 and 427,323.04

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Solution

The fourth proportional to 749,565.28, 1,034,425.68 and 427,323.04 is: 589,720.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,565.28 : 1,034,425.68 = 427,323.04 : x
  2. Step 2: Convert to fraction form
    749,565.28/1,034,425.68 = 427,323.04/x
  3. Step 3: Cross multiply
    749,565.28x = 1,034,425.68 × 427,323.04
  4. Step 4: Simplify right side
    749,565.28x = 442,033,926,231.67
  5. Step 5: Solve for x
    x = 442,033,926,231.67/749,565.28
  6. Step 6: Final answer
    x = 589,720.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.