Home / 928,972.80-1,282,003.20-566,416.80

Finding the Fourth Proportional to 928,972.80, 1,282,003.20 and 566,416.80

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Solution

The fourth proportional to 928,972.80, 1,282,003.20 and 566,416.80 is: 781,667.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,972.80 : 1,282,003.20 = 566,416.80 : x
  2. Step 2: Convert to fraction form
    928,972.80/1,282,003.20 = 566,416.80/x
  3. Step 3: Cross multiply
    928,972.80x = 1,282,003.20 × 566,416.80
  4. Step 4: Simplify right side
    928,972.80x = 726,148,150,133.76
  5. Step 5: Solve for x
    x = 726,148,150,133.76/928,972.80
  6. Step 6: Final answer
    x = 781,667.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.