Home / 780,147.90-1,170,221.85-444,224.70

Finding the Fourth Proportional to 780,147.90, 1,170,221.85 and 444,224.70

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Solution

The fourth proportional to 780,147.90, 1,170,221.85 and 444,224.70 is: 666,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,147.90 : 1,170,221.85 = 444,224.70 : x
  2. Step 2: Convert to fraction form
    780,147.90/1,170,221.85 = 444,224.70/x
  3. Step 3: Cross multiply
    780,147.90x = 1,170,221.85 × 444,224.70
  4. Step 4: Simplify right side
    780,147.90x = 519,841,450,249.70
  5. Step 5: Solve for x
    x = 519,841,450,249.70/780,147.90
  6. Step 6: Final answer
    x = 666,337.05

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Similar ratio
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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.