Home / 552,255.39-762,097.32-310,531.77

Finding the Fourth Proportional to 552,255.39, 762,097.32 and 310,531.77

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Solution

The fourth proportional to 552,255.39, 762,097.32 and 310,531.77 is: 428,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,255.39 : 762,097.32 = 310,531.77 : x
  2. Step 2: Convert to fraction form
    552,255.39/762,097.32 = 310,531.77/x
  3. Step 3: Cross multiply
    552,255.39x = 762,097.32 × 310,531.77
  4. Step 4: Simplify right side
    552,255.39x = 236,655,429,691.86
  5. Step 5: Solve for x
    x = 236,655,429,691.86/552,255.39
  6. Step 6: Final answer
    x = 428,525.34

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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.