Home / 656,831.97-985,690.15-230,371.76

Finding the Fourth Proportional to 656,831.97, 985,690.15 and 230,371.76

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Solution

The fourth proportional to 656,831.97, 985,690.15 and 230,371.76 is: 345,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,831.97 : 985,690.15 = 230,371.76 : x
  2. Step 2: Convert to fraction form
    656,831.97/985,690.15 = 230,371.76/x
  3. Step 3: Cross multiply
    656,831.97x = 985,690.15 × 230,371.76
  4. Step 4: Simplify right side
    656,831.97x = 227,075,176,558.46
  5. Step 5: Solve for x
    x = 227,075,176,558.46/656,831.97
  6. Step 6: Final answer
    x = 345,712.73

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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.