Home / 918,335.52-1,377,969.84-412,794.68

Finding the Fourth Proportional to 918,335.52, 1,377,969.84 and 412,794.68

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Solution

The fourth proportional to 918,335.52, 1,377,969.84 and 412,794.68 is: 619,401.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,335.52 : 1,377,969.84 = 412,794.68 : x
  2. Step 2: Convert to fraction form
    918,335.52/1,377,969.84 = 412,794.68/x
  3. Step 3: Cross multiply
    918,335.52x = 1,377,969.84 × 412,794.68
  4. Step 4: Simplify right side
    918,335.52x = 568,818,612,262.60
  5. Step 5: Solve for x
    x = 568,818,612,262.60/918,335.52
  6. Step 6: Final answer
    x = 619,401.73

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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.