Home / 508,028.54-762,045.35-128,949.39

Finding the Fourth Proportional to 508,028.54, 762,045.35 and 128,949.39

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Solution

The fourth proportional to 508,028.54, 762,045.35 and 128,949.39 is: 193,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,028.54 : 762,045.35 = 128,949.39 : x
  2. Step 2: Convert to fraction form
    508,028.54/762,045.35 = 128,949.39/x
  3. Step 3: Cross multiply
    508,028.54x = 762,045.35 × 128,949.39
  4. Step 4: Simplify right side
    508,028.54x = 98,265,279,224.61
  5. Step 5: Solve for x
    x = 98,265,279,224.61/508,028.54
  6. Step 6: Final answer
    x = 193,424.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.