Home / 755,854.90-1,043,079.59-416,323.15

Finding the Fourth Proportional to 755,854.90, 1,043,079.59 and 416,323.15

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Solution

The fourth proportional to 755,854.90, 1,043,079.59 and 416,323.15 is: 574,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,854.90 : 1,043,079.59 = 416,323.15 : x
  2. Step 2: Convert to fraction form
    755,854.90/1,043,079.59 = 416,323.15/x
  3. Step 3: Cross multiply
    755,854.90x = 1,043,079.59 × 416,323.15
  4. Step 4: Simplify right side
    755,854.90x = 434,258,179,042.62
  5. Step 5: Solve for x
    x = 434,258,179,042.62/755,854.90
  6. Step 6: Final answer
    x = 574,525.85

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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.