Home / 830,266.17-1,245,872.84-324,868.29

Finding the Fourth Proportional to 830,266.17, 1,245,872.84 and 324,868.29

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Solution

The fourth proportional to 830,266.17, 1,245,872.84 and 324,868.29 is: 487,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,266.17 : 1,245,872.84 = 324,868.29 : x
  2. Step 2: Convert to fraction form
    830,266.17/1,245,872.84 = 324,868.29/x
  3. Step 3: Cross multiply
    830,266.17x = 1,245,872.84 × 324,868.29
  4. Step 4: Simplify right side
    830,266.17x = 404,744,577,463.90
  5. Step 5: Solve for x
    x = 404,744,577,463.90/830,266.17
  6. Step 6: Final answer
    x = 487,487.74

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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.