Home / 388,937.20-583,405.80-295,625.20

Finding the Fourth Proportional to 388,937.20, 583,405.80 and 295,625.20

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Solution

The fourth proportional to 388,937.20, 583,405.80 and 295,625.20 is: 443,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,937.20 : 583,405.80 = 295,625.20 : x
  2. Step 2: Convert to fraction form
    388,937.20/583,405.80 = 295,625.20/x
  3. Step 3: Cross multiply
    388,937.20x = 583,405.80 × 295,625.20
  4. Step 4: Simplify right side
    388,937.20x = 172,469,456,306.16
  5. Step 5: Solve for x
    x = 172,469,456,306.16/388,937.20
  6. Step 6: Final answer
    x = 443,437.80

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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.