Home / 721,177.11-1,082,297.18-342,098.93

Finding the Fourth Proportional to 721,177.11, 1,082,297.18 and 342,098.93

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Solution

The fourth proportional to 721,177.11, 1,082,297.18 and 342,098.93 is: 513,400.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,177.11 : 1,082,297.18 = 342,098.93 : x
  2. Step 2: Convert to fraction form
    721,177.11/1,082,297.18 = 342,098.93/x
  3. Step 3: Cross multiply
    721,177.11x = 1,082,297.18 × 342,098.93
  4. Step 4: Simplify right side
    721,177.11x = 370,252,707,220.02
  5. Step 5: Solve for x
    x = 370,252,707,220.02/721,177.11
  6. Step 6: Final answer
    x = 513,400.53

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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.