Home / 755,701.54-1,042,915.56-416,169.78

Finding the Fourth Proportional to 755,701.54, 1,042,915.56 and 416,169.78

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Solution

The fourth proportional to 755,701.54, 1,042,915.56 and 416,169.78 is: 574,340.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,701.54 : 1,042,915.56 = 416,169.78 : x
  2. Step 2: Convert to fraction form
    755,701.54/1,042,915.56 = 416,169.78/x
  3. Step 3: Cross multiply
    755,701.54x = 1,042,915.56 × 416,169.78
  4. Step 4: Simplify right side
    755,701.54x = 434,029,939,163.78
  5. Step 5: Solve for x
    x = 434,029,939,163.78/755,701.54
  6. Step 6: Final answer
    x = 574,340.42

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Double scale
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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.