Home / 755,854.98-1,043,079.78-416,323.22

Finding the Fourth Proportional to 755,854.98, 1,043,079.78 and 416,323.22

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Solution

The fourth proportional to 755,854.98, 1,043,079.78 and 416,323.22 is: 574,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,854.98 : 1,043,079.78 = 416,323.22 : x
  2. Step 2: Convert to fraction form
    755,854.98/1,043,079.78 = 416,323.22/x
  3. Step 3: Cross multiply
    755,854.98x = 1,043,079.78 × 416,323.22
  4. Step 4: Simplify right side
    755,854.98x = 434,258,332,726.49
  5. Step 5: Solve for x
    x = 434,258,332,726.49/755,854.98
  6. Step 6: Final answer
    x = 574,525.99

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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.