Home / 486,983.52-671,993.55-272,093.76

Finding the Fourth Proportional to 486,983.52, 671,993.55 and 272,093.76

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Solution

The fourth proportional to 486,983.52, 671,993.55 and 272,093.76 is: 375,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,983.52 : 671,993.55 = 272,093.76 : x
  2. Step 2: Convert to fraction form
    486,983.52/671,993.55 = 272,093.76/x
  3. Step 3: Cross multiply
    486,983.52x = 671,993.55 × 272,093.76
  4. Step 4: Simplify right side
    486,983.52x = 182,845,251,715.25
  5. Step 5: Solve for x
    x = 182,845,251,715.25/486,983.52
  6. Step 6: Final answer
    x = 375,464.97

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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.