Home / 672,719.57-1,008,507.83-313,099.26

Finding the Fourth Proportional to 672,719.57, 1,008,507.83 and 313,099.26

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Solution

The fourth proportional to 672,719.57, 1,008,507.83 and 313,099.26 is: 469,382.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,719.57 : 1,008,507.83 = 313,099.26 : x
  2. Step 2: Convert to fraction form
    672,719.57/1,008,507.83 = 313,099.26/x
  3. Step 3: Cross multiply
    672,719.57x = 1,008,507.83 × 313,099.26
  4. Step 4: Simplify right side
    672,719.57x = 315,763,050,581.30
  5. Step 5: Solve for x
    x = 315,763,050,581.30/672,719.57
  6. Step 6: Final answer
    x = 469,382.88

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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.