Home / 888,345.89-1,225,917.33-480,447.74

Finding the Fourth Proportional to 888,345.89, 1,225,917.33 and 480,447.74

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Solution

The fourth proportional to 888,345.89, 1,225,917.33 and 480,447.74 is: 663,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,345.89 : 1,225,917.33 = 480,447.74 : x
  2. Step 2: Convert to fraction form
    888,345.89/1,225,917.33 = 480,447.74/x
  3. Step 3: Cross multiply
    888,345.89x = 1,225,917.33 × 480,447.74
  4. Step 4: Simplify right side
    888,345.89x = 588,989,209,046.44
  5. Step 5: Solve for x
    x = 588,989,209,046.44/888,345.89
  6. Step 6: Final answer
    x = 663,017.88

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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.