Home / 424,916.90-636,573.14-329,018.75

Finding the Fourth Proportional to 424,916.90, 636,573.14 and 329,018.75

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Solution

The fourth proportional to 424,916.90, 636,573.14 and 329,018.75 is: 492,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,916.90 : 636,573.14 = 329,018.75 : x
  2. Step 2: Convert to fraction form
    424,916.90/636,573.14 = 329,018.75/x
  3. Step 3: Cross multiply
    424,916.90x = 636,573.14 × 329,018.75
  4. Step 4: Simplify right side
    424,916.90x = 209,444,498,752.71
  5. Step 5: Solve for x
    x = 209,444,498,752.71/424,916.90
  6. Step 6: Final answer
    x = 492,906.96

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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.