Home / 486,922.05-671,948.60-272,059.83

Finding the Fourth Proportional to 486,922.05, 671,948.60 and 272,059.83

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Solution

The fourth proportional to 486,922.05, 671,948.60 and 272,059.83 is: 375,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,922.05 : 671,948.60 = 272,059.83 : x
  2. Step 2: Convert to fraction form
    486,922.05/671,948.60 = 272,059.83/x
  3. Step 3: Cross multiply
    486,922.05x = 671,948.60 × 272,059.83
  4. Step 4: Simplify right side
    486,922.05x = 182,810,220,524.44
  5. Step 5: Solve for x
    x = 182,810,220,524.44/486,922.05
  6. Step 6: Final answer
    x = 375,440.42

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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.