Home / 729,898.36-1,007,249.65-424,147.52

Finding the Fourth Proportional to 729,898.36, 1,007,249.65 and 424,147.52

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Solution

The fourth proportional to 729,898.36, 1,007,249.65 and 424,147.52 is: 585,317.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,898.36 : 1,007,249.65 = 424,147.52 : x
  2. Step 2: Convert to fraction form
    729,898.36/1,007,249.65 = 424,147.52/x
  3. Step 3: Cross multiply
    729,898.36x = 1,007,249.65 × 424,147.52
  4. Step 4: Simplify right side
    729,898.36x = 427,222,442,526.12
  5. Step 5: Solve for x
    x = 427,222,442,526.12/729,898.36
  6. Step 6: Final answer
    x = 585,317.72

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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.