Home / 559,972.62-772,742.97-318,250.98

Finding the Fourth Proportional to 559,972.62, 772,742.97 and 318,250.98

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Solution

The fourth proportional to 559,972.62, 772,742.97 and 318,250.98 is: 439,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,972.62 : 772,742.97 = 318,250.98 : x
  2. Step 2: Convert to fraction form
    559,972.62/772,742.97 = 318,250.98/x
  3. Step 3: Cross multiply
    559,972.62x = 772,742.97 × 318,250.98
  4. Step 4: Simplify right side
    559,972.62x = 245,926,207,490.61
  5. Step 5: Solve for x
    x = 245,926,207,490.61/559,972.62
  6. Step 6: Final answer
    x = 439,175.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.