Home / 724,307.28-1,086,461.10-275,028.54

Finding the Fourth Proportional to 724,307.28, 1,086,461.10 and 275,028.54

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Solution

The fourth proportional to 724,307.28, 1,086,461.10 and 275,028.54 is: 412,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,307.28 : 1,086,461.10 = 275,028.54 : x
  2. Step 2: Convert to fraction form
    724,307.28/1,086,461.10 = 275,028.54/x
  3. Step 3: Cross multiply
    724,307.28x = 1,086,461.10 × 275,028.54
  4. Step 4: Simplify right side
    724,307.28x = 298,807,810,099.79
  5. Step 5: Solve for x
    x = 298,807,810,099.79/724,307.28
  6. Step 6: Final answer
    x = 412,542.88

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.