Home / 486,451.17-671,251.69-282,462.33

Finding the Fourth Proportional to 486,451.17, 671,251.69 and 282,462.33

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Solution

The fourth proportional to 486,451.17, 671,251.69 and 282,462.33 is: 389,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,451.17 : 671,251.69 = 282,462.33 : x
  2. Step 2: Convert to fraction form
    486,451.17/671,251.69 = 282,462.33/x
  3. Step 3: Cross multiply
    486,451.17x = 671,251.69 × 282,462.33
  4. Step 4: Simplify right side
    486,451.17x = 189,603,315,667.68
  5. Step 5: Solve for x
    x = 189,603,315,667.68/486,451.17
  6. Step 6: Final answer
    x = 389,768.44

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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.