Home / 498,831.80-747,810.30-299,231.60

Finding the Fourth Proportional to 498,831.80, 747,810.30 and 299,231.60

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Solution

The fourth proportional to 498,831.80, 747,810.30 and 299,231.60 is: 448,585.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,831.80 : 747,810.30 = 299,231.60 : x
  2. Step 2: Convert to fraction form
    498,831.80/747,810.30 = 299,231.60/x
  3. Step 3: Cross multiply
    498,831.80x = 747,810.30 × 299,231.60
  4. Step 4: Simplify right side
    498,831.80x = 223,768,472,565.48
  5. Step 5: Solve for x
    x = 223,768,472,565.48/498,831.80
  6. Step 6: Final answer
    x = 448,585.02

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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.