Home / 779,981.25-1,169,823.92-380,219.97

Finding the Fourth Proportional to 779,981.25, 1,169,823.92 and 380,219.97

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Solution

The fourth proportional to 779,981.25, 1,169,823.92 and 380,219.97 is: 570,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,981.25 : 1,169,823.92 = 380,219.97 : x
  2. Step 2: Convert to fraction form
    779,981.25/1,169,823.92 = 380,219.97/x
  3. Step 3: Cross multiply
    779,981.25x = 1,169,823.92 × 380,219.97
  4. Step 4: Simplify right side
    779,981.25x = 444,790,413,866.58
  5. Step 5: Solve for x
    x = 444,790,413,866.58/779,981.25
  6. Step 6: Final answer
    x = 570,257.83

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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.