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Finding the Fourth Proportional to 463,031, 639,064.68 and 272,044.36

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Solution

The fourth proportional to 463,031, 639,064.68 and 272,044.36 is: 375,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,031 : 639,064.68 = 272,044.36 : x
  2. Step 2: Convert to fraction form
    463,031/639,064.68 = 272,044.36/x
  3. Step 3: Cross multiply
    463,031x = 639,064.68 × 272,044.36
  4. Step 4: Simplify right side
    463,031x = 173,853,941,869.21
  5. Step 5: Solve for x
    x = 173,853,941,869.21/463,031
  6. Step 6: Final answer
    x = 375,469.34

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1.5x scale

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.