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Finding the Fourth Proportional to 560,691.81, 773,752.32 and 306,042.39

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Solution

The fourth proportional to 560,691.81, 773,752.32 and 306,042.39 is: 422,337.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,691.81 : 773,752.32 = 306,042.39 : x
  2. Step 2: Convert to fraction form
    560,691.81/773,752.32 = 306,042.39/x
  3. Step 3: Cross multiply
    560,691.81x = 773,752.32 × 306,042.39
  4. Step 4: Simplify right side
    560,691.81x = 236,801,009,280.85
  5. Step 5: Solve for x
    x = 236,801,009,280.85/560,691.81
  6. Step 6: Final answer
    x = 422,337.20

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1.5x scale

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.