Home / 730,318.59-1,007,666.87-424,213.11

Finding the Fourth Proportional to 730,318.59, 1,007,666.87 and 424,213.11

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Solution

The fourth proportional to 730,318.59, 1,007,666.87 and 424,213.11 is: 585,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,318.59 : 1,007,666.87 = 424,213.11 : x
  2. Step 2: Convert to fraction form
    730,318.59/1,007,666.87 = 424,213.11/x
  3. Step 3: Cross multiply
    730,318.59x = 1,007,666.87 × 424,213.11
  4. Step 4: Simplify right side
    730,318.59x = 427,465,494,645.60
  5. Step 5: Solve for x
    x = 427,465,494,645.60/730,318.59
  6. Step 6: Final answer
    x = 585,313.73

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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.