Home / 379,000.20-567,809.10-308,497.80

Finding the Fourth Proportional to 379,000.20, 567,809.10 and 308,497.80

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Solution

The fourth proportional to 379,000.20, 567,809.10 and 308,497.80 is: 462,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,000.20 : 567,809.10 = 308,497.80 : x
  2. Step 2: Convert to fraction form
    379,000.20/567,809.10 = 308,497.80/x
  3. Step 3: Cross multiply
    379,000.20x = 567,809.10 × 308,497.80
  4. Step 4: Simplify right side
    379,000.20x = 175,167,858,169.98
  5. Step 5: Solve for x
    x = 175,167,858,169.98/379,000.20
  6. Step 6: Final answer
    x = 462,184.08

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1.5x scale

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.