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Finding the Fourth Proportional to 526,478.04, 726,538.92 and 297,035

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Solution

The fourth proportional to 526,478.04, 726,538.92 and 297,035 is: 409,907.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,478.04 : 726,538.92 = 297,035 : x
  2. Step 2: Convert to fraction form
    526,478.04/726,538.92 = 297,035/x
  3. Step 3: Cross multiply
    526,478.04x = 726,538.92 × 297,035
  4. Step 4: Simplify right side
    526,478.04x = 215,807,488,102.20
  5. Step 5: Solve for x
    x = 215,807,488,102.20/526,478.04
  6. Step 6: Final answer
    x = 409,907.86

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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.