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Finding the Fourth Proportional to 651,590.92, 976,704.06 and 272,728.60

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Solution

The fourth proportional to 651,590.92, 976,704.06 and 272,728.60 is: 408,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,590.92 : 976,704.06 = 272,728.60 : x
  2. Step 2: Convert to fraction form
    651,590.92/976,704.06 = 272,728.60/x
  3. Step 3: Cross multiply
    651,590.92x = 976,704.06 × 272,728.60
  4. Step 4: Simplify right side
    651,590.92x = 266,375,130,898.12
  5. Step 5: Solve for x
    x = 266,375,130,898.12/651,590.92
  6. Step 6: Final answer
    x = 408,807.31

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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.