Home / 755,867.72-1,043,097.36-416,335.96

Finding the Fourth Proportional to 755,867.72, 1,043,097.36 and 416,335.96

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Solution

The fourth proportional to 755,867.72, 1,043,097.36 and 416,335.96 is: 574,543.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,867.72 : 1,043,097.36 = 416,335.96 : x
  2. Step 2: Convert to fraction form
    755,867.72/1,043,097.36 = 416,335.96/x
  3. Step 3: Cross multiply
    755,867.72x = 1,043,097.36 × 416,335.96
  4. Step 4: Simplify right side
    755,867.72x = 434,278,940,749.07
  5. Step 5: Solve for x
    x = 434,278,940,749.07/755,867.72
  6. Step 6: Final answer
    x = 574,543.57

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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.