Home / 828,402.24-1,242,397.76-355,033.92

Finding the Fourth Proportional to 828,402.24, 1,242,397.76 and 355,033.92

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Solution

The fourth proportional to 828,402.24, 1,242,397.76 and 355,033.92 is: 532,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,402.24 : 1,242,397.76 = 355,033.92 : x
  2. Step 2: Convert to fraction form
    828,402.24/1,242,397.76 = 355,033.92/x
  3. Step 3: Cross multiply
    828,402.24x = 1,242,397.76 × 355,033.92
  4. Step 4: Simplify right side
    828,402.24x = 441,093,346,932.02
  5. Step 5: Solve for x
    x = 441,093,346,932.02/828,402.24
  6. Step 6: Final answer
    x = 532,462.76

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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.