Home / 715,060.12-1,073,041.98-399,723.88

Finding the Fourth Proportional to 715,060.12, 1,073,041.98 and 399,723.88

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Solution

The fourth proportional to 715,060.12, 1,073,041.98 and 399,723.88 is: 599,838.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,060.12 : 1,073,041.98 = 399,723.88 : x
  2. Step 2: Convert to fraction form
    715,060.12/1,073,041.98 = 399,723.88/x
  3. Step 3: Cross multiply
    715,060.12x = 1,073,041.98 × 399,723.88
  4. Step 4: Simplify right side
    715,060.12x = 428,920,503,648.48
  5. Step 5: Solve for x
    x = 428,920,503,648.48/715,060.12
  6. Step 6: Final answer
    x = 599,838.38

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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.