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Finding the Fourth Proportional to 555,967.08, 835,105.98 and 449,471.40

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Solution

The fourth proportional to 555,967.08, 835,105.98 and 449,471.40 is: 675,141.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,967.08 : 835,105.98 = 449,471.40 : x
  2. Step 2: Convert to fraction form
    555,967.08/835,105.98 = 449,471.40/x
  3. Step 3: Cross multiply
    555,967.08x = 835,105.98 × 449,471.40
  4. Step 4: Simplify right side
    555,967.08x = 375,356,253,978.97
  5. Step 5: Solve for x
    x = 375,356,253,978.97/555,967.08
  6. Step 6: Final answer
    x = 675,141.15

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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.