Home / 434,822.80-652,234.20-391,277.20

Finding the Fourth Proportional to 434,822.80, 652,234.20 and 391,277.20

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Solution

The fourth proportional to 434,822.80, 652,234.20 and 391,277.20 is: 586,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,822.80 : 652,234.20 = 391,277.20 : x
  2. Step 2: Convert to fraction form
    434,822.80/652,234.20 = 391,277.20/x
  3. Step 3: Cross multiply
    434,822.80x = 652,234.20 × 391,277.20
  4. Step 4: Simplify right side
    434,822.80x = 255,204,371,520.24
  5. Step 5: Solve for x
    x = 255,204,371,520.24/434,822.80
  6. Step 6: Final answer
    x = 586,915.80

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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.