Home / 487,514.34-731,320.20-183,831.66

Finding the Fourth Proportional to 487,514.34, 731,320.20 and 183,831.66

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Solution

The fourth proportional to 487,514.34, 731,320.20 and 183,831.66 is: 275,765.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,514.34 : 731,320.20 = 183,831.66 : x
  2. Step 2: Convert to fraction form
    487,514.34/731,320.20 = 183,831.66/x
  3. Step 3: Cross multiply
    487,514.34x = 731,320.20 × 183,831.66
  4. Step 4: Simplify right side
    487,514.34x = 134,439,806,357.53
  5. Step 5: Solve for x
    x = 134,439,806,357.53/487,514.34
  6. Step 6: Final answer
    x = 275,765.85

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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.