Home / 754,486.71-1,131,713.55-354,905.97

Finding the Fourth Proportional to 754,486.71, 1,131,713.55 and 354,905.97

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Solution

The fourth proportional to 754,486.71, 1,131,713.55 and 354,905.97 is: 532,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,486.71 : 1,131,713.55 = 354,905.97 : x
  2. Step 2: Convert to fraction form
    754,486.71/1,131,713.55 = 354,905.97/x
  3. Step 3: Cross multiply
    754,486.71x = 1,131,713.55 × 354,905.97
  4. Step 4: Simplify right side
    754,486.71x = 401,651,895,224.89
  5. Step 5: Solve for x
    x = 401,651,895,224.89/754,486.71
  6. Step 6: Final answer
    x = 532,351.19

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1.5x scale

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.