Home / 755,820.91-1,043,151.32-445,757.57

Finding the Fourth Proportional to 755,820.91, 1,043,151.32 and 445,757.57

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Solution

The fourth proportional to 755,820.91, 1,043,151.32 and 445,757.57 is: 615,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,820.91 : 1,043,151.32 = 445,757.57 : x
  2. Step 2: Convert to fraction form
    755,820.91/1,043,151.32 = 445,757.57/x
  3. Step 3: Cross multiply
    755,820.91x = 1,043,151.32 × 445,757.57
  4. Step 4: Simplify right side
    755,820.91x = 464,992,600,716.29
  5. Step 5: Solve for x
    x = 464,992,600,716.29/755,820.91
  6. Step 6: Final answer
    x = 615,215.32

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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.