Home / 486,535.36-671,419.20-271,675.12

Finding the Fourth Proportional to 486,535.36, 671,419.20 and 271,675.12

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Solution

The fourth proportional to 486,535.36, 671,419.20 and 271,675.12 is: 374,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,535.36 : 671,419.20 = 271,675.12 : x
  2. Step 2: Convert to fraction form
    486,535.36/671,419.20 = 271,675.12/x
  3. Step 3: Cross multiply
    486,535.36x = 671,419.20 × 271,675.12
  4. Step 4: Simplify right side
    486,535.36x = 182,407,891,730.30
  5. Step 5: Solve for x
    x = 182,407,891,730.30/486,535.36
  6. Step 6: Final answer
    x = 374,911.89

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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.