Home / 486,940.60-671,965.43-272,082.43

Finding the Fourth Proportional to 486,940.60, 671,965.43 and 272,082.43

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Solution

The fourth proportional to 486,940.60, 671,965.43 and 272,082.43 is: 375,466.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,940.60 : 671,965.43 = 272,082.43 : x
  2. Step 2: Convert to fraction form
    486,940.60/671,965.43 = 272,082.43/x
  3. Step 3: Cross multiply
    486,940.60x = 671,965.43 × 272,082.43
  4. Step 4: Simplify right side
    486,940.60x = 182,829,984,030.07
  5. Step 5: Solve for x
    x = 182,829,984,030.07/486,940.60
  6. Step 6: Final answer
    x = 375,466.71

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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.