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Finding the Fourth Proportional to 674,256.52, 930,394.74 and 372,432.52

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Solution

The fourth proportional to 674,256.52, 930,394.74 and 372,432.52 is: 513,913.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,256.52 : 930,394.74 = 372,432.52 : x
  2. Step 2: Convert to fraction form
    674,256.52/930,394.74 = 372,432.52/x
  3. Step 3: Cross multiply
    674,256.52x = 930,394.74 × 372,432.52
  4. Step 4: Simplify right side
    674,256.52x = 346,509,257,612.95
  5. Step 5: Solve for x
    x = 346,509,257,612.95/674,256.52
  6. Step 6: Final answer
    x = 513,913.10

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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.