Home / 689,436.76-951,034.02-413,723.20

Finding the Fourth Proportional to 689,436.76, 951,034.02 and 413,723.20

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Solution

The fourth proportional to 689,436.76, 951,034.02 and 413,723.20 is: 570,704.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,436.76 : 951,034.02 = 413,723.20 : x
  2. Step 2: Convert to fraction form
    689,436.76/951,034.02 = 413,723.20/x
  3. Step 3: Cross multiply
    689,436.76x = 951,034.02 × 413,723.20
  4. Step 4: Simplify right side
    689,436.76x = 393,464,838,063.26
  5. Step 5: Solve for x
    x = 393,464,838,063.26/689,436.76
  6. Step 6: Final answer
    x = 570,704.76

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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.