Home / 755,728.88-1,042,901.27-416,194.70

Finding the Fourth Proportional to 755,728.88, 1,042,901.27 and 416,194.70

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Solution

The fourth proportional to 755,728.88, 1,042,901.27 and 416,194.70 is: 574,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,728.88 : 1,042,901.27 = 416,194.70 : x
  2. Step 2: Convert to fraction form
    755,728.88/1,042,901.27 = 416,194.70/x
  3. Step 3: Cross multiply
    755,728.88x = 1,042,901.27 × 416,194.70
  4. Step 4: Simplify right side
    755,728.88x = 434,049,973,901.79
  5. Step 5: Solve for x
    x = 434,049,973,901.79/755,728.88
  6. Step 6: Final answer
    x = 574,346.16

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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.