Home / 696,031.20-1,044,046.80-391,600.80

Finding the Fourth Proportional to 696,031.20, 1,044,046.80 and 391,600.80

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Solution

The fourth proportional to 696,031.20, 1,044,046.80 and 391,600.80 is: 587,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,031.20 : 1,044,046.80 = 391,600.80 : x
  2. Step 2: Convert to fraction form
    696,031.20/1,044,046.80 = 391,600.80/x
  3. Step 3: Cross multiply
    696,031.20x = 1,044,046.80 × 391,600.80
  4. Step 4: Simplify right side
    696,031.20x = 408,849,562,117.44
  5. Step 5: Solve for x
    x = 408,849,562,117.44/696,031.20
  6. Step 6: Final answer
    x = 587,401.20

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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.