Home / 729,899.87-1,007,251.71-424,149.03

Finding the Fourth Proportional to 729,899.87, 1,007,251.71 and 424,149.03

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Solution

The fourth proportional to 729,899.87, 1,007,251.71 and 424,149.03 is: 585,319.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,899.87 : 1,007,251.71 = 424,149.03 : x
  2. Step 2: Convert to fraction form
    729,899.87/1,007,251.71 = 424,149.03/x
  3. Step 3: Cross multiply
    729,899.87x = 1,007,251.71 × 424,149.03
  4. Step 4: Simplify right side
    729,899.87x = 427,224,835,762.34
  5. Step 5: Solve for x
    x = 427,224,835,762.34/729,899.87
  6. Step 6: Final answer
    x = 585,319.79

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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.