Home / 669,652.50-1,003,624.38-313,882.68

Finding the Fourth Proportional to 669,652.50, 1,003,624.38 and 313,882.68

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Solution

The fourth proportional to 669,652.50, 1,003,624.38 and 313,882.68 is: 470,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,652.50 : 1,003,624.38 = 313,882.68 : x
  2. Step 2: Convert to fraction form
    669,652.50/1,003,624.38 = 313,882.68/x
  3. Step 3: Cross multiply
    669,652.50x = 1,003,624.38 × 313,882.68
  4. Step 4: Simplify right side
    669,652.50x = 315,020,310,107.74
  5. Step 5: Solve for x
    x = 315,020,310,107.74/669,652.50
  6. Step 6: Final answer
    x = 470,423.56

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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.