Home / 874,659.29-1,206,992.52-487,454.10

Finding the Fourth Proportional to 874,659.29, 1,206,992.52 and 487,454.10

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Solution

The fourth proportional to 874,659.29, 1,206,992.52 and 487,454.10 is: 672,665.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,659.29 : 1,206,992.52 = 487,454.10 : x
  2. Step 2: Convert to fraction form
    874,659.29/1,206,992.52 = 487,454.10/x
  3. Step 3: Cross multiply
    874,659.29x = 1,206,992.52 × 487,454.10
  4. Step 4: Simplify right side
    874,659.29x = 588,353,452,543.33
  5. Step 5: Solve for x
    x = 588,353,452,543.33/874,659.29
  6. Step 6: Final answer
    x = 672,665.87

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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.