Home / 663,433.40-994,560.91-258,531.82

Finding the Fourth Proportional to 663,433.40, 994,560.91 and 258,531.82

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Solution

The fourth proportional to 663,433.40, 994,560.91 and 258,531.82 is: 387,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,433.40 : 994,560.91 = 258,531.82 : x
  2. Step 2: Convert to fraction form
    663,433.40/994,560.91 = 258,531.82/x
  3. Step 3: Cross multiply
    663,433.40x = 994,560.91 × 258,531.82
  4. Step 4: Simplify right side
    663,433.40x = 257,125,642,163.16
  5. Step 5: Solve for x
    x = 257,125,642,163.16/663,433.40
  6. Step 6: Final answer
    x = 387,568.13

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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.