Home / 938,148.32-1,294,641.42-508,439

Finding the Fourth Proportional to 938,148.32, 1,294,641.42 and 508,439

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Solution

The fourth proportional to 938,148.32, 1,294,641.42 and 508,439 is: 701,644.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,148.32 : 1,294,641.42 = 508,439 : x
  2. Step 2: Convert to fraction form
    938,148.32/1,294,641.42 = 508,439/x
  3. Step 3: Cross multiply
    938,148.32x = 1,294,641.42 × 508,439
  4. Step 4: Simplify right side
    938,148.32x = 658,246,188,943.38
  5. Step 5: Solve for x
    x = 658,246,188,943.38/938,148.32
  6. Step 6: Final answer
    x = 701,644.05

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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.