Home / 1,340,490.08-2,010,717.61-329,620.79

Finding the Fourth Proportional to 1,340,490.08, 2,010,717.61 and 329,620.79

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Solution

The fourth proportional to 1,340,490.08, 2,010,717.61 and 329,620.79 is: 494,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,490.08 : 2,010,717.61 = 329,620.79 : x
  2. Step 2: Convert to fraction form
    1,340,490.08/2,010,717.61 = 329,620.79/x
  3. Step 3: Cross multiply
    1,340,490.08x = 2,010,717.61 × 329,620.79
  4. Step 4: Simplify right side
    1,340,490.08x = 662,774,331,277.85
  5. Step 5: Solve for x
    x = 662,774,331,277.85/1,340,490.08
  6. Step 6: Final answer
    x = 494,426.88

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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.