Home / 938,141.32-1,294,631.76-508,432

Finding the Fourth Proportional to 938,141.32, 1,294,631.76 and 508,432

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Solution

The fourth proportional to 938,141.32, 1,294,631.76 and 508,432 is: 701,634.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,141.32 : 1,294,631.76 = 508,432 : x
  2. Step 2: Convert to fraction form
    938,141.32/1,294,631.76 = 508,432/x
  3. Step 3: Cross multiply
    938,141.32x = 1,294,631.76 × 508,432
  4. Step 4: Simplify right side
    938,141.32x = 658,232,215,000.32
  5. Step 5: Solve for x
    x = 658,232,215,000.32/938,141.32
  6. Step 6: Final answer
    x = 701,634.39

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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.