Home / 730,521.68-1,096,291.20-257,245.16

Finding the Fourth Proportional to 730,521.68, 1,096,291.20 and 257,245.16

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Solution

The fourth proportional to 730,521.68, 1,096,291.20 and 257,245.16 is: 386,046.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,521.68 : 1,096,291.20 = 257,245.16 : x
  2. Step 2: Convert to fraction form
    730,521.68/1,096,291.20 = 257,245.16/x
  3. Step 3: Cross multiply
    730,521.68x = 1,096,291.20 × 257,245.16
  4. Step 4: Simplify right side
    730,521.68x = 282,015,605,150.59
  5. Step 5: Solve for x
    x = 282,015,605,150.59/730,521.68
  6. Step 6: Final answer
    x = 386,046.87

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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.