Home / 865,459.98-1,298,312.82-266,470.92

Finding the Fourth Proportional to 865,459.98, 1,298,312.82 and 266,470.92

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Solution

The fourth proportional to 865,459.98, 1,298,312.82 and 266,470.92 is: 399,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,459.98 : 1,298,312.82 = 266,470.92 : x
  2. Step 2: Convert to fraction form
    865,459.98/1,298,312.82 = 266,470.92/x
  3. Step 3: Cross multiply
    865,459.98x = 1,298,312.82 × 266,470.92
  4. Step 4: Simplify right side
    865,459.98x = 345,962,611,593.19
  5. Step 5: Solve for x
    x = 345,962,611,593.19/865,459.98
  6. Step 6: Final answer
    x = 399,744.20

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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.