Home / 856,990.99-1,182,645.52-469,805.73

Finding the Fourth Proportional to 856,990.99, 1,182,645.52 and 469,805.73

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Solution

The fourth proportional to 856,990.99, 1,182,645.52 and 469,805.73 is: 648,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,990.99 : 1,182,645.52 = 469,805.73 : x
  2. Step 2: Convert to fraction form
    856,990.99/1,182,645.52 = 469,805.73/x
  3. Step 3: Cross multiply
    856,990.99x = 1,182,645.52 × 469,805.73
  4. Step 4: Simplify right side
    856,990.99x = 555,613,641,854.83
  5. Step 5: Solve for x
    x = 555,613,641,854.83/856,990.99
  6. Step 6: Final answer
    x = 648,330.79

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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.