Home / 605,001.44-905,916.72-426,542.24

Finding the Fourth Proportional to 605,001.44, 905,916.72 and 426,542.24

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Solution

The fourth proportional to 605,001.44, 905,916.72 and 426,542.24 is: 638,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,001.44 : 905,916.72 = 426,542.24 : x
  2. Step 2: Convert to fraction form
    605,001.44/905,916.72 = 426,542.24/x
  3. Step 3: Cross multiply
    605,001.44x = 905,916.72 × 426,542.24
  4. Step 4: Simplify right side
    605,001.44x = 386,411,747,002.25
  5. Step 5: Solve for x
    x = 386,411,747,002.25/605,001.44
  6. Step 6: Final answer
    x = 638,695.58

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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.