Home / 779,819.38-1,169,840.52-240,121.24

Finding the Fourth Proportional to 779,819.38, 1,169,840.52 and 240,121.24

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Solution

The fourth proportional to 779,819.38, 1,169,840.52 and 240,121.24 is: 360,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,819.38 : 1,169,840.52 = 240,121.24 : x
  2. Step 2: Convert to fraction form
    779,819.38/1,169,840.52 = 240,121.24/x
  3. Step 3: Cross multiply
    779,819.38x = 1,169,840.52 × 240,121.24
  4. Step 4: Simplify right side
    779,819.38x = 280,903,556,264.65
  5. Step 5: Solve for x
    x = 280,903,556,264.65/779,819.38
  6. Step 6: Final answer
    x = 360,216.18

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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.