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Finding the Fourth Proportional to 866,892.10, 1,298,588.55 and 492,477.70

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Solution

The fourth proportional to 866,892.10, 1,298,588.55 and 492,477.70 is: 737,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,892.10 : 1,298,588.55 = 492,477.70 : x
  2. Step 2: Convert to fraction form
    866,892.10/1,298,588.55 = 492,477.70/x
  3. Step 3: Cross multiply
    866,892.10x = 1,298,588.55 × 492,477.70
  4. Step 4: Simplify right side
    866,892.10x = 639,525,902,350.34
  5. Step 5: Solve for x
    x = 639,525,902,350.34/866,892.10
  6. Step 6: Final answer
    x = 737,722.61

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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.