Home / 810,716.31-1,215,417.96-337,755.69

Finding the Fourth Proportional to 810,716.31, 1,215,417.96 and 337,755.69

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Solution

The fourth proportional to 810,716.31, 1,215,417.96 and 337,755.69 is: 506,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,716.31 : 1,215,417.96 = 337,755.69 : x
  2. Step 2: Convert to fraction form
    810,716.31/1,215,417.96 = 337,755.69/x
  3. Step 3: Cross multiply
    810,716.31x = 1,215,417.96 × 337,755.69
  4. Step 4: Simplify right side
    810,716.31x = 410,514,331,718.19
  5. Step 5: Solve for x
    x = 410,514,331,718.19/810,716.31
  6. Step 6: Final answer
    x = 506,360.03

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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.