Home / 825,905.70-1,140,238.46-520,244.10

Finding the Fourth Proportional to 825,905.70, 1,140,238.46 and 520,244.10

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Solution

The fourth proportional to 825,905.70, 1,140,238.46 and 520,244.10 is: 718,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,905.70 : 1,140,238.46 = 520,244.10 : x
  2. Step 2: Convert to fraction form
    825,905.70/1,140,238.46 = 520,244.10/x
  3. Step 3: Cross multiply
    825,905.70x = 1,140,238.46 × 520,244.10
  4. Step 4: Simplify right side
    825,905.70x = 593,202,331,408.09
  5. Step 5: Solve for x
    x = 593,202,331,408.09/825,905.70
  6. Step 6: Final answer
    x = 718,244.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.