Home / 909,125.33-1,363,469.28-278,044.61

Finding the Fourth Proportional to 909,125.33, 1,363,469.28 and 278,044.61

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Solution

The fourth proportional to 909,125.33, 1,363,469.28 and 278,044.61 is: 417,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,125.33 : 1,363,469.28 = 278,044.61 : x
  2. Step 2: Convert to fraction form
    909,125.33/1,363,469.28 = 278,044.61/x
  3. Step 3: Cross multiply
    909,125.33x = 1,363,469.28 × 278,044.61
  4. Step 4: Simplify right side
    909,125.33x = 379,105,277,387.23
  5. Step 5: Solve for x
    x = 379,105,277,387.23/909,125.33
  6. Step 6: Final answer
    x = 417,000.02

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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.