Home / 779,747.10-1,169,620.65-499,811.10

Finding the Fourth Proportional to 779,747.10, 1,169,620.65 and 499,811.10

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Solution

The fourth proportional to 779,747.10, 1,169,620.65 and 499,811.10 is: 749,716.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,747.10 : 1,169,620.65 = 499,811.10 : x
  2. Step 2: Convert to fraction form
    779,747.10/1,169,620.65 = 499,811.10/x
  3. Step 3: Cross multiply
    779,747.10x = 1,169,620.65 × 499,811.10
  4. Step 4: Simplify right side
    779,747.10x = 584,589,383,659.22
  5. Step 5: Solve for x
    x = 584,589,383,659.22/779,747.10
  6. Step 6: Final answer
    x = 749,716.65

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Half scale
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Double scale
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Similar ratio
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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.