Home / 757,308.33-1,134,920.54-324,507.71

Finding the Fourth Proportional to 757,308.33, 1,134,920.54 and 324,507.71

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Solution

The fourth proportional to 757,308.33, 1,134,920.54 and 324,507.71 is: 486,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,308.33 : 1,134,920.54 = 324,507.71 : x
  2. Step 2: Convert to fraction form
    757,308.33/1,134,920.54 = 324,507.71/x
  3. Step 3: Cross multiply
    757,308.33x = 1,134,920.54 × 324,507.71
  4. Step 4: Simplify right side
    757,308.33x = 368,290,458,170.22
  5. Step 5: Solve for x
    x = 368,290,458,170.22/757,308.33
  6. Step 6: Final answer
    x = 486,315.08

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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.