Home / 547,848.39-756,016.28-306,132.95

Finding the Fourth Proportional to 547,848.39, 756,016.28 and 306,132.95

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Solution

The fourth proportional to 547,848.39, 756,016.28 and 306,132.95 is: 422,455.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,848.39 : 756,016.28 = 306,132.95 : x
  2. Step 2: Convert to fraction form
    547,848.39/756,016.28 = 306,132.95/x
  3. Step 3: Cross multiply
    547,848.39x = 756,016.28 × 306,132.95
  4. Step 4: Simplify right side
    547,848.39x = 231,441,488,733.68
  5. Step 5: Solve for x
    x = 231,441,488,733.68/547,848.39
  6. Step 6: Final answer
    x = 422,455.36

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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.