Home / 902,309.90-1,353,465.86-271,223.70

Finding the Fourth Proportional to 902,309.90, 1,353,465.86 and 271,223.70

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Solution

The fourth proportional to 902,309.90, 1,353,465.86 and 271,223.70 is: 406,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,309.90 : 1,353,465.86 = 271,223.70 : x
  2. Step 2: Convert to fraction form
    902,309.90/1,353,465.86 = 271,223.70/x
  3. Step 3: Cross multiply
    902,309.90x = 1,353,465.86 × 271,223.70
  4. Step 4: Simplify right side
    902,309.90x = 367,092,018,372.88
  5. Step 5: Solve for x
    x = 367,092,018,372.88/902,309.90
  6. Step 6: Final answer
    x = 406,835.85

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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.