Home / 779,425.74-1,169,260.92-330,147.90

Finding the Fourth Proportional to 779,425.74, 1,169,260.92 and 330,147.90

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Solution

The fourth proportional to 779,425.74, 1,169,260.92 and 330,147.90 is: 495,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,425.74 : 1,169,260.92 = 330,147.90 : x
  2. Step 2: Convert to fraction form
    779,425.74/1,169,260.92 = 330,147.90/x
  3. Step 3: Cross multiply
    779,425.74x = 1,169,260.92 × 330,147.90
  4. Step 4: Simplify right side
    779,425.74x = 386,029,037,290.07
  5. Step 5: Solve for x
    x = 386,029,037,290.07/779,425.74
  6. Step 6: Final answer
    x = 495,273.66

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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.