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Finding the Fourth Proportional to 673,154.08, 928,937.68 and 371,348

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Solution

The fourth proportional to 673,154.08, 928,937.68 and 371,348 is: 512,451.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,154.08 : 928,937.68 = 371,348 : x
  2. Step 2: Convert to fraction form
    673,154.08/928,937.68 = 371,348/x
  3. Step 3: Cross multiply
    673,154.08x = 928,937.68 × 371,348
  4. Step 4: Simplify right side
    673,154.08x = 344,959,149,592.64
  5. Step 5: Solve for x
    x = 344,959,149,592.64/673,154.08
  6. Step 6: Final answer
    x = 512,451.99

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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.