Home / 549,270.20-823,905.30-313,340.60

Finding the Fourth Proportional to 549,270.20, 823,905.30 and 313,340.60

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Solution

The fourth proportional to 549,270.20, 823,905.30 and 313,340.60 is: 470,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,270.20 : 823,905.30 = 313,340.60 : x
  2. Step 2: Convert to fraction form
    549,270.20/823,905.30 = 313,340.60/x
  3. Step 3: Cross multiply
    549,270.20x = 823,905.30 × 313,340.60
  4. Step 4: Simplify right side
    549,270.20x = 258,162,981,045.18
  5. Step 5: Solve for x
    x = 258,162,981,045.18/549,270.20
  6. Step 6: Final answer
    x = 470,010.90

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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.