Home / 475,938.65-656,789.22-271,987.25

Finding the Fourth Proportional to 475,938.65, 656,789.22 and 271,987.25

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Solution

The fourth proportional to 475,938.65, 656,789.22 and 271,987.25 is: 375,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,938.65 : 656,789.22 = 271,987.25 : x
  2. Step 2: Convert to fraction form
    475,938.65/656,789.22 = 271,987.25/x
  3. Step 3: Cross multiply
    475,938.65x = 656,789.22 × 271,987.25
  4. Step 4: Simplify right side
    475,938.65x = 178,638,293,777.45
  5. Step 5: Solve for x
    x = 178,638,293,777.45/475,938.65
  6. Step 6: Final answer
    x = 375,338.91

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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.