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Finding the Fourth Proportional to 615,862.74, 849,882.04 and 357,885.44

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Solution

The fourth proportional to 615,862.74, 849,882.04 and 357,885.44 is: 493,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,862.74 : 849,882.04 = 357,885.44 : x
  2. Step 2: Convert to fraction form
    615,862.74/849,882.04 = 357,885.44/x
  3. Step 3: Cross multiply
    615,862.74x = 849,882.04 × 357,885.44
  4. Step 4: Simplify right side
    615,862.74x = 304,160,405,876.43
  5. Step 5: Solve for x
    x = 304,160,405,876.43/615,862.74
  6. Step 6: Final answer
    x = 493,876.94

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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.