Home / 930,023.76-1,395,123.78-361,448.68

Finding the Fourth Proportional to 930,023.76, 1,395,123.78 and 361,448.68

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Solution

The fourth proportional to 930,023.76, 1,395,123.78 and 361,448.68 is: 542,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,023.76 : 1,395,123.78 = 361,448.68 : x
  2. Step 2: Convert to fraction form
    930,023.76/1,395,123.78 = 361,448.68/x
  3. Step 3: Cross multiply
    930,023.76x = 1,395,123.78 × 361,448.68
  4. Step 4: Simplify right side
    930,023.76x = 504,265,648,717.61
  5. Step 5: Solve for x
    x = 504,265,648,717.61/930,023.76
  6. Step 6: Final answer
    x = 542,207.28

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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.