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Finding the Fourth Proportional to 499,253.20, 748,879.80 and 277,637.20

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Solution

The fourth proportional to 499,253.20, 748,879.80 and 277,637.20 is: 416,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,253.20 : 748,879.80 = 277,637.20 : x
  2. Step 2: Convert to fraction form
    499,253.20/748,879.80 = 277,637.20/x
  3. Step 3: Cross multiply
    499,253.20x = 748,879.80 × 277,637.20
  4. Step 4: Simplify right side
    499,253.20x = 207,916,890,808.56
  5. Step 5: Solve for x
    x = 207,916,890,808.56/499,253.20
  6. Step 6: Final answer
    x = 416,455.80

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1.5x scale

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.