Home / 779,279.70-1,168,833.15-638,793.30

Finding the Fourth Proportional to 779,279.70, 1,168,833.15 and 638,793.30

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Solution

The fourth proportional to 779,279.70, 1,168,833.15 and 638,793.30 is: 958,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,279.70 : 1,168,833.15 = 638,793.30 : x
  2. Step 2: Convert to fraction form
    779,279.70/1,168,833.15 = 638,793.30/x
  3. Step 3: Cross multiply
    779,279.70x = 1,168,833.15 × 638,793.30
  4. Step 4: Simplify right side
    779,279.70x = 746,642,785,037.90
  5. Step 5: Solve for x
    x = 746,642,785,037.90/779,279.70
  6. Step 6: Final answer
    x = 958,119.13

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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.