Home / 1,340,077.58-2,010,084.78-329,197.90

Finding the Fourth Proportional to 1,340,077.58, 2,010,084.78 and 329,197.90

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Solution

The fourth proportional to 1,340,077.58, 2,010,084.78 and 329,197.90 is: 493,789.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,077.58 : 2,010,084.78 = 329,197.90 : x
  2. Step 2: Convert to fraction form
    1,340,077.58/2,010,084.78 = 329,197.90/x
  3. Step 3: Cross multiply
    1,340,077.58x = 2,010,084.78 × 329,197.90
  4. Step 4: Simplify right side
    1,340,077.58x = 661,715,688,397.96
  5. Step 5: Solve for x
    x = 661,715,688,397.96/1,340,077.58
  6. Step 6: Final answer
    x = 493,789.09

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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.