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Finding the Fourth Proportional to 535,680.68, 739,248.41 and 293,985.74

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Solution

The fourth proportional to 535,680.68, 739,248.41 and 293,985.74 is: 405,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,680.68 : 739,248.41 = 293,985.74 : x
  2. Step 2: Convert to fraction form
    535,680.68/739,248.41 = 293,985.74/x
  3. Step 3: Cross multiply
    535,680.68x = 739,248.41 × 293,985.74
  4. Step 4: Simplify right side
    535,680.68x = 217,328,485,691.50
  5. Step 5: Solve for x
    x = 217,328,485,691.50/535,680.68
  6. Step 6: Final answer
    x = 405,705.29

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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.