Home / 851,902.60-1,277,853.90-252,956.20

Finding the Fourth Proportional to 851,902.60, 1,277,853.90 and 252,956.20

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Solution

The fourth proportional to 851,902.60, 1,277,853.90 and 252,956.20 is: 379,434.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,902.60 : 1,277,853.90 = 252,956.20 : x
  2. Step 2: Convert to fraction form
    851,902.60/1,277,853.90 = 252,956.20/x
  3. Step 3: Cross multiply
    851,902.60x = 1,277,853.90 × 252,956.20
  4. Step 4: Simplify right side
    851,902.60x = 323,241,066,699.18
  5. Step 5: Solve for x
    x = 323,241,066,699.18/851,902.60
  6. Step 6: Final answer
    x = 379,434.30

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Double scale
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Similar ratio
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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.