Home / 671,110.25-1,006,823.04-221,831.13

Finding the Fourth Proportional to 671,110.25, 1,006,823.04 and 221,831.13

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Solution

The fourth proportional to 671,110.25, 1,006,823.04 and 221,831.13 is: 332,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,110.25 : 1,006,823.04 = 221,831.13 : x
  2. Step 2: Convert to fraction form
    671,110.25/1,006,823.04 = 221,831.13/x
  3. Step 3: Cross multiply
    671,110.25x = 1,006,823.04 × 221,831.13
  4. Step 4: Simplify right side
    671,110.25x = 223,344,695,600.86
  5. Step 5: Solve for x
    x = 223,344,695,600.86/671,110.25
  6. Step 6: Final answer
    x = 332,798.82

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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.