Home / 702,155.79-1,052,601.45-252,560.63

Finding the Fourth Proportional to 702,155.79, 1,052,601.45 and 252,560.63

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Solution

The fourth proportional to 702,155.79, 1,052,601.45 and 252,560.63 is: 378,613.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,155.79 : 1,052,601.45 = 252,560.63 : x
  2. Step 2: Convert to fraction form
    702,155.79/1,052,601.45 = 252,560.63/x
  3. Step 3: Cross multiply
    702,155.79x = 1,052,601.45 × 252,560.63
  4. Step 4: Simplify right side
    702,155.79x = 265,845,687,035.32
  5. Step 5: Solve for x
    x = 265,845,687,035.32/702,155.79
  6. Step 6: Final answer
    x = 378,613.54

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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.