Home / 862,073.40-1,293,110.10-336,761.40

Finding the Fourth Proportional to 862,073.40, 1,293,110.10 and 336,761.40

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Solution

The fourth proportional to 862,073.40, 1,293,110.10 and 336,761.40 is: 505,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,073.40 : 1,293,110.10 = 336,761.40 : x
  2. Step 2: Convert to fraction form
    862,073.40/1,293,110.10 = 336,761.40/x
  3. Step 3: Cross multiply
    862,073.40x = 1,293,110.10 × 336,761.40
  4. Step 4: Simplify right side
    862,073.40x = 435,469,567,630.14
  5. Step 5: Solve for x
    x = 435,469,567,630.14/862,073.40
  6. Step 6: Final answer
    x = 505,142.10

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1.5x scale

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.