Home / 699,691.32-1,048,871.76-273,500.30

Finding the Fourth Proportional to 699,691.32, 1,048,871.76 and 273,500.30

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Solution

The fourth proportional to 699,691.32, 1,048,871.76 and 273,500.30 is: 409,990.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,691.32 : 1,048,871.76 = 273,500.30 : x
  2. Step 2: Convert to fraction form
    699,691.32/1,048,871.76 = 273,500.30/x
  3. Step 3: Cross multiply
    699,691.32x = 1,048,871.76 × 273,500.30
  4. Step 4: Simplify right side
    699,691.32x = 286,866,741,021.53
  5. Step 5: Solve for x
    x = 286,866,741,021.53/699,691.32
  6. Step 6: Final answer
    x = 409,990.42

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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.