Home / 522,498.12-721,047.60-296,145.24

Finding the Fourth Proportional to 522,498.12, 721,047.60 and 296,145.24

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Solution

The fourth proportional to 522,498.12, 721,047.60 and 296,145.24 is: 408,680.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,498.12 : 721,047.60 = 296,145.24 : x
  2. Step 2: Convert to fraction form
    522,498.12/721,047.60 = 296,145.24/x
  3. Step 3: Cross multiply
    522,498.12x = 721,047.60 × 296,145.24
  4. Step 4: Simplify right side
    522,498.12x = 213,534,814,553.42
  5. Step 5: Solve for x
    x = 213,534,814,553.42/522,498.12
  6. Step 6: Final answer
    x = 408,680.54

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1.5x scale

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.