Home / 755,499.11-1,133,642.32-334,676.57

Finding the Fourth Proportional to 755,499.11, 1,133,642.32 and 334,676.57

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Solution

The fourth proportional to 755,499.11, 1,133,642.32 and 334,676.57 is: 502,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,499.11 : 1,133,642.32 = 334,676.57 : x
  2. Step 2: Convert to fraction form
    755,499.11/1,133,642.32 = 334,676.57/x
  3. Step 3: Cross multiply
    755,499.11x = 1,133,642.32 × 334,676.57
  4. Step 4: Simplify right side
    755,499.11x = 379,403,516,759.54
  5. Step 5: Solve for x
    x = 379,403,516,759.54/755,499.11
  6. Step 6: Final answer
    x = 502,189.23

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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.