Home / 880,757.23-1,215,404.30-498,786.75

Finding the Fourth Proportional to 880,757.23, 1,215,404.30 and 498,786.75

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Solution

The fourth proportional to 880,757.23, 1,215,404.30 and 498,786.75 is: 688,302.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,757.23 : 1,215,404.30 = 498,786.75 : x
  2. Step 2: Convert to fraction form
    880,757.23/1,215,404.30 = 498,786.75/x
  3. Step 3: Cross multiply
    880,757.23x = 1,215,404.30 × 498,786.75
  4. Step 4: Simplify right side
    880,757.23x = 606,227,560,733.03
  5. Step 5: Solve for x
    x = 606,227,560,733.03/880,757.23
  6. Step 6: Final answer
    x = 688,302.68

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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.