Home / 755,322.17-1,042,366.38-411,180.40

Finding the Fourth Proportional to 755,322.17, 1,042,366.38 and 411,180.40

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Solution

The fourth proportional to 755,322.17, 1,042,366.38 and 411,180.40 is: 567,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,322.17 : 1,042,366.38 = 411,180.40 : x
  2. Step 2: Convert to fraction form
    755,322.17/1,042,366.38 = 411,180.40/x
  3. Step 3: Cross multiply
    755,322.17x = 1,042,366.38 × 411,180.40
  4. Step 4: Simplify right side
    755,322.17x = 428,600,619,863.12
  5. Step 5: Solve for x
    x = 428,600,619,863.12/755,322.17
  6. Step 6: Final answer
    x = 567,440.80

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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.