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Finding the Fourth Proportional to 866,498.56, 1,299,613.44 and 334,268.80

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Solution

The fourth proportional to 866,498.56, 1,299,613.44 and 334,268.80 is: 501,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,498.56 : 1,299,613.44 = 334,268.80 : x
  2. Step 2: Convert to fraction form
    866,498.56/1,299,613.44 = 334,268.80/x
  3. Step 3: Cross multiply
    866,498.56x = 1,299,613.44 × 334,268.80
  4. Step 4: Simplify right side
    866,498.56x = 434,420,225,052.67
  5. Step 5: Solve for x
    x = 434,420,225,052.67/866,498.56
  6. Step 6: Final answer
    x = 501,351.35

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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.