Home / 578,643.30-868,008.15-204,617.70

Finding the Fourth Proportional to 578,643.30, 868,008.15 and 204,617.70

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Solution

The fourth proportional to 578,643.30, 868,008.15 and 204,617.70 is: 306,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,643.30 : 868,008.15 = 204,617.70 : x
  2. Step 2: Convert to fraction form
    578,643.30/868,008.15 = 204,617.70/x
  3. Step 3: Cross multiply
    578,643.30x = 868,008.15 × 204,617.70
  4. Step 4: Simplify right side
    578,643.30x = 177,609,831,234.26
  5. Step 5: Solve for x
    x = 177,609,831,234.26/578,643.30
  6. Step 6: Final answer
    x = 306,941.83

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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.