Home / 566,269.03-781,451.39-311,620.22

Finding the Fourth Proportional to 566,269.03, 781,451.39 and 311,620.22

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Solution

The fourth proportional to 566,269.03, 781,451.39 and 311,620.22 is: 430,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,269.03 : 781,451.39 = 311,620.22 : x
  2. Step 2: Convert to fraction form
    566,269.03/781,451.39 = 311,620.22/x
  3. Step 3: Cross multiply
    566,269.03x = 781,451.39 × 311,620.22
  4. Step 4: Simplify right side
    566,269.03x = 243,516,048,605.75
  5. Step 5: Solve for x
    x = 243,516,048,605.75/566,269.03
  6. Step 6: Final answer
    x = 430,035.97

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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.