Home / 434,329.20-651,493.80-372,121.20

Finding the Fourth Proportional to 434,329.20, 651,493.80 and 372,121.20

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Solution

The fourth proportional to 434,329.20, 651,493.80 and 372,121.20 is: 558,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,329.20 : 651,493.80 = 372,121.20 : x
  2. Step 2: Convert to fraction form
    434,329.20/651,493.80 = 372,121.20/x
  3. Step 3: Cross multiply
    434,329.20x = 651,493.80 × 372,121.20
  4. Step 4: Simplify right side
    434,329.20x = 242,434,654,648.56
  5. Step 5: Solve for x
    x = 242,434,654,648.56/434,329.20
  6. Step 6: Final answer
    x = 558,181.80

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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.