Home / 755,715.29-1,042,839.86-416,183.54

Finding the Fourth Proportional to 755,715.29, 1,042,839.86 and 416,183.54

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Solution

The fourth proportional to 755,715.29, 1,042,839.86 and 416,183.54 is: 574,307.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,715.29 : 1,042,839.86 = 416,183.54 : x
  2. Step 2: Convert to fraction form
    755,715.29/1,042,839.86 = 416,183.54/x
  3. Step 3: Cross multiply
    755,715.29x = 1,042,839.86 × 416,183.54
  4. Step 4: Simplify right side
    755,715.29x = 434,012,777,292.79
  5. Step 5: Solve for x
    x = 434,012,777,292.79/755,715.29
  6. Step 6: Final answer
    x = 574,307.26

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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.