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Finding the Fourth Proportional to 580,441.56, 870,998.48 and 243,452.20

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Solution

The fourth proportional to 580,441.56, 870,998.48 and 243,452.20 is: 365,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,441.56 : 870,998.48 = 243,452.20 : x
  2. Step 2: Convert to fraction form
    580,441.56/870,998.48 = 243,452.20/x
  3. Step 3: Cross multiply
    580,441.56x = 870,998.48 × 243,452.20
  4. Step 4: Simplify right side
    580,441.56x = 212,046,496,152.66
  5. Step 5: Solve for x
    x = 212,046,496,152.66/580,441.56
  6. Step 6: Final answer
    x = 365,319.29

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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.