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Finding the Fourth Proportional to 547,736.60, 755,726.38 and 375,697.15

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Solution

The fourth proportional to 547,736.60, 755,726.38 and 375,697.15 is: 518,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,736.60 : 755,726.38 = 375,697.15 : x
  2. Step 2: Convert to fraction form
    547,736.60/755,726.38 = 375,697.15/x
  3. Step 3: Cross multiply
    547,736.60x = 755,726.38 × 375,697.15
  4. Step 4: Simplify right side
    547,736.60x = 283,924,244,317.26
  5. Step 5: Solve for x
    x = 283,924,244,317.26/547,736.60
  6. Step 6: Final answer
    x = 518,359.09

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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.