Home / 778,463.20-1,168,350.90-352,654.30

Finding the Fourth Proportional to 778,463.20, 1,168,350.90 and 352,654.30

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Solution

The fourth proportional to 778,463.20, 1,168,350.90 and 352,654.30 is: 529,278.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,463.20 : 1,168,350.90 = 352,654.30 : x
  2. Step 2: Convert to fraction form
    778,463.20/1,168,350.90 = 352,654.30/x
  3. Step 3: Cross multiply
    778,463.20x = 1,168,350.90 × 352,654.30
  4. Step 4: Simplify right side
    778,463.20x = 412,023,968,793.87
  5. Step 5: Solve for x
    x = 412,023,968,793.87/778,463.20
  6. Step 6: Final answer
    x = 529,278.67

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Double scale
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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.