Home / 755,720.82-1,042,882.13-416,220.66

Finding the Fourth Proportional to 755,720.82, 1,042,882.13 and 416,220.66

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Solution

The fourth proportional to 755,720.82, 1,042,882.13 and 416,220.66 is: 574,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,720.82 : 1,042,882.13 = 416,220.66 : x
  2. Step 2: Convert to fraction form
    755,720.82/1,042,882.13 = 416,220.66/x
  3. Step 3: Cross multiply
    755,720.82x = 1,042,882.13 × 416,220.66
  4. Step 4: Simplify right side
    755,720.82x = 434,069,088,450.81
  5. Step 5: Solve for x
    x = 434,069,088,450.81/755,720.82
  6. Step 6: Final answer
    x = 574,377.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.