Home / 880,454.98-1,215,057.90-493,286.72

Finding the Fourth Proportional to 880,454.98, 1,215,057.90 and 493,286.72

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Solution

The fourth proportional to 880,454.98, 1,215,057.90 and 493,286.72 is: 680,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,454.98 : 1,215,057.90 = 493,286.72 : x
  2. Step 2: Convert to fraction form
    880,454.98/1,215,057.90 = 493,286.72/x
  3. Step 3: Cross multiply
    880,454.98x = 1,215,057.90 × 493,286.72
  4. Step 4: Simplify right side
    880,454.98x = 599,371,926,101.09
  5. Step 5: Solve for x
    x = 599,371,926,101.09/880,454.98
  6. Step 6: Final answer
    x = 680,752.50

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Double scale
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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.