Home / 672,155.95-1,008,699.57-267,306.68

Finding the Fourth Proportional to 672,155.95, 1,008,699.57 and 267,306.68

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Solution

The fourth proportional to 672,155.95, 1,008,699.57 and 267,306.68 is: 401,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,155.95 : 1,008,699.57 = 267,306.68 : x
  2. Step 2: Convert to fraction form
    672,155.95/1,008,699.57 = 267,306.68/x
  3. Step 3: Cross multiply
    672,155.95x = 1,008,699.57 × 267,306.68
  4. Step 4: Simplify right side
    672,155.95x = 269,632,133,174.13
  5. Step 5: Solve for x
    x = 269,632,133,174.13/672,155.95
  6. Step 6: Final answer
    x = 401,145.20

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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.