Home / 902,003.40-1,353,005.10-270,835.20

Finding the Fourth Proportional to 902,003.40, 1,353,005.10 and 270,835.20

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Solution

The fourth proportional to 902,003.40, 1,353,005.10 and 270,835.20 is: 406,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,003.40 : 1,353,005.10 = 270,835.20 : x
  2. Step 2: Convert to fraction form
    902,003.40/1,353,005.10 = 270,835.20/x
  3. Step 3: Cross multiply
    902,003.40x = 1,353,005.10 × 270,835.20
  4. Step 4: Simplify right side
    902,003.40x = 366,441,406,859.52
  5. Step 5: Solve for x
    x = 366,441,406,859.52/902,003.40
  6. Step 6: Final answer
    x = 406,252.80

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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.