Home / 874,892.12-1,312,213.56-275,775.42

Finding the Fourth Proportional to 874,892.12, 1,312,213.56 and 275,775.42

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Solution

The fourth proportional to 874,892.12, 1,312,213.56 and 275,775.42 is: 413,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,892.12 : 1,312,213.56 = 275,775.42 : x
  2. Step 2: Convert to fraction form
    874,892.12/1,312,213.56 = 275,775.42/x
  3. Step 3: Cross multiply
    874,892.12x = 1,312,213.56 × 275,775.42
  4. Step 4: Simplify right side
    874,892.12x = 361,876,245,638.70
  5. Step 5: Solve for x
    x = 361,876,245,638.70/874,892.12
  6. Step 6: Final answer
    x = 413,623.85

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.