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Finding the Fourth Proportional to 635,752.72, 877,335.08 and 349,266.64

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Solution

The fourth proportional to 635,752.72, 877,335.08 and 349,266.64 is: 481,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,752.72 : 877,335.08 = 349,266.64 : x
  2. Step 2: Convert to fraction form
    635,752.72/877,335.08 = 349,266.64/x
  3. Step 3: Cross multiply
    635,752.72x = 877,335.08 × 349,266.64
  4. Step 4: Simplify right side
    635,752.72x = 306,423,875,545.73
  5. Step 5: Solve for x
    x = 306,423,875,545.73/635,752.72
  6. Step 6: Final answer
    x = 481,985.95

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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.