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Finding the Fourth Proportional to 618,200.70, 927,301.05 and 302,495.10

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Solution

The fourth proportional to 618,200.70, 927,301.05 and 302,495.10 is: 453,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,200.70 : 927,301.05 = 302,495.10 : x
  2. Step 2: Convert to fraction form
    618,200.70/927,301.05 = 302,495.10/x
  3. Step 3: Cross multiply
    618,200.70x = 927,301.05 × 302,495.10
  4. Step 4: Simplify right side
    618,200.70x = 280,504,023,849.86
  5. Step 5: Solve for x
    x = 280,504,023,849.86/618,200.70
  6. Step 6: Final answer
    x = 453,742.65

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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.