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Finding the Fourth Proportional to 504,005.60, 755,133.60 and 472,512.80

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Solution

The fourth proportional to 504,005.60, 755,133.60 and 472,512.80 is: 707,949.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,005.60 : 755,133.60 = 472,512.80 : x
  2. Step 2: Convert to fraction form
    504,005.60/755,133.60 = 472,512.80/x
  3. Step 3: Cross multiply
    504,005.60x = 755,133.60 × 472,512.80
  4. Step 4: Simplify right side
    504,005.60x = 356,810,291,710.08
  5. Step 5: Solve for x
    x = 356,810,291,710.08/504,005.60
  6. Step 6: Final answer
    x = 707,949.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.