Home / 507,869.85-762,054.41-204,251.88

Finding the Fourth Proportional to 507,869.85, 762,054.41 and 204,251.88

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Solution

The fourth proportional to 507,869.85, 762,054.41 and 204,251.88 is: 306,478.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,869.85 : 762,054.41 = 204,251.88 : x
  2. Step 2: Convert to fraction form
    507,869.85/762,054.41 = 204,251.88/x
  3. Step 3: Cross multiply
    507,869.85x = 762,054.41 × 204,251.88
  4. Step 4: Simplify right side
    507,869.85x = 155,651,044,883.53
  5. Step 5: Solve for x
    x = 155,651,044,883.53/507,869.85
  6. Step 6: Final answer
    x = 306,478.21

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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.