Home / 677,234.10-1,016,020.28-477,943.73

Finding the Fourth Proportional to 677,234.10, 1,016,020.28 and 477,943.73

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Solution

The fourth proportional to 677,234.10, 1,016,020.28 and 477,943.73 is: 717,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,234.10 : 1,016,020.28 = 477,943.73 : x
  2. Step 2: Convert to fraction form
    677,234.10/1,016,020.28 = 477,943.73/x
  3. Step 3: Cross multiply
    677,234.10x = 1,016,020.28 × 477,943.73
  4. Step 4: Simplify right side
    677,234.10x = 485,600,514,909.02
  5. Step 5: Solve for x
    x = 485,600,514,909.02/677,234.10
  6. Step 6: Final answer
    x = 717,034.94

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1.5x scale

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.