Home / 825,176.52-1,237,508.45-398,447.04

Finding the Fourth Proportional to 825,176.52, 1,237,508.45 and 398,447.04

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Solution

The fourth proportional to 825,176.52, 1,237,508.45 and 398,447.04 is: 597,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,176.52 : 1,237,508.45 = 398,447.04 : x
  2. Step 2: Convert to fraction form
    825,176.52/1,237,508.45 = 398,447.04/x
  3. Step 3: Cross multiply
    825,176.52x = 1,237,508.45 × 398,447.04
  4. Step 4: Simplify right side
    825,176.52x = 493,081,570,697.71
  5. Step 5: Solve for x
    x = 493,081,570,697.71/825,176.52
  6. Step 6: Final answer
    x = 597,546.78

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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.