Home / 486,666.30-671,533.14-271,778.97

Finding the Fourth Proportional to 486,666.30, 671,533.14 and 271,778.97

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Solution

The fourth proportional to 486,666.30, 671,533.14 and 271,778.97 is: 375,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,666.30 : 671,533.14 = 271,778.97 : x
  2. Step 2: Convert to fraction form
    486,666.30/671,533.14 = 271,778.97/x
  3. Step 3: Cross multiply
    486,666.30x = 671,533.14 × 271,778.97
  4. Step 4: Simplify right side
    486,666.30x = 182,508,585,110.07
  5. Step 5: Solve for x
    x = 182,508,585,110.07/486,666.30
  6. Step 6: Final answer
    x = 375,017.92

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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.