Home / 902,406.30-1,353,609.45-725,259.30

Finding the Fourth Proportional to 902,406.30, 1,353,609.45 and 725,259.30

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Solution

The fourth proportional to 902,406.30, 1,353,609.45 and 725,259.30 is: 1,087,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,406.30 : 1,353,609.45 = 725,259.30 : x
  2. Step 2: Convert to fraction form
    902,406.30/1,353,609.45 = 725,259.30/x
  3. Step 3: Cross multiply
    902,406.30x = 1,353,609.45 × 725,259.30
  4. Step 4: Simplify right side
    902,406.30x = 981,717,842,180.39
  5. Step 5: Solve for x
    x = 981,717,842,180.39/902,406.30
  6. Step 6: Final answer
    x = 1,087,888.95

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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.