Home / 881,345.48-1,216,251.06-478,937.48

Finding the Fourth Proportional to 881,345.48, 1,216,251.06 and 478,937.48

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Solution

The fourth proportional to 881,345.48, 1,216,251.06 and 478,937.48 is: 660,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,345.48 : 1,216,251.06 = 478,937.48 : x
  2. Step 2: Convert to fraction form
    881,345.48/1,216,251.06 = 478,937.48/x
  3. Step 3: Cross multiply
    881,345.48x = 1,216,251.06 × 478,937.48
  4. Step 4: Simplify right side
    881,345.48x = 582,508,217,723.73
  5. Step 5: Solve for x
    x = 582,508,217,723.73/881,345.48
  6. Step 6: Final answer
    x = 660,930.62

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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.