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Finding the Fourth Proportional to 499,490.16, 747,392.04 and 299,932.08

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Solution

The fourth proportional to 499,490.16, 747,392.04 and 299,932.08 is: 448,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,490.16 : 747,392.04 = 299,932.08 : x
  2. Step 2: Convert to fraction form
    499,490.16/747,392.04 = 299,932.08/x
  3. Step 3: Cross multiply
    499,490.16x = 747,392.04 × 299,932.08
  4. Step 4: Simplify right side
    499,490.16x = 224,166,849,132.64
  5. Step 5: Solve for x
    x = 224,166,849,132.64/499,490.16
  6. Step 6: Final answer
    x = 448,791.32

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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.