Home / 747,831.54-1,121,895.18-274,521

Finding the Fourth Proportional to 747,831.54, 1,121,895.18 and 274,521

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Solution

The fourth proportional to 747,831.54, 1,121,895.18 and 274,521 is: 411,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,831.54 : 1,121,895.18 = 274,521 : x
  2. Step 2: Convert to fraction form
    747,831.54/1,121,895.18 = 274,521/x
  3. Step 3: Cross multiply
    747,831.54x = 1,121,895.18 × 274,521
  4. Step 4: Simplify right side
    747,831.54x = 307,983,786,708.78
  5. Step 5: Solve for x
    x = 307,983,786,708.78/747,831.54
  6. Step 6: Final answer
    x = 411,835.78

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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.