Home / 785,947.11-1,178,920.52-336,376.46

Finding the Fourth Proportional to 785,947.11, 1,178,920.52 and 336,376.46

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Solution

The fourth proportional to 785,947.11, 1,178,920.52 and 336,376.46 is: 504,564.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,947.11 : 1,178,920.52 = 336,376.46 : x
  2. Step 2: Convert to fraction form
    785,947.11/1,178,920.52 = 336,376.46/x
  3. Step 3: Cross multiply
    785,947.11x = 1,178,920.52 × 336,376.46
  4. Step 4: Simplify right side
    785,947.11x = 396,561,106,509.78
  5. Step 5: Solve for x
    x = 396,561,106,509.78/785,947.11
  6. Step 6: Final answer
    x = 504,564.62

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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.