Home / 638,036.15-880,551.92-476,610.93

Finding the Fourth Proportional to 638,036.15, 880,551.92 and 476,610.93

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Solution

The fourth proportional to 638,036.15, 880,551.92 and 476,610.93 is: 657,769.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,036.15 : 880,551.92 = 476,610.93 : x
  2. Step 2: Convert to fraction form
    638,036.15/880,551.92 = 476,610.93/x
  3. Step 3: Cross multiply
    638,036.15x = 880,551.92 × 476,610.93
  4. Step 4: Simplify right side
    638,036.15x = 419,680,667,121.43
  5. Step 5: Solve for x
    x = 419,680,667,121.43/638,036.15
  6. Step 6: Final answer
    x = 657,769.42

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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.