Home / 822,499.60-1,233,749.40-635,645.20

Finding the Fourth Proportional to 822,499.60, 1,233,749.40 and 635,645.20

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Solution

The fourth proportional to 822,499.60, 1,233,749.40 and 635,645.20 is: 953,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,499.60 : 1,233,749.40 = 635,645.20 : x
  2. Step 2: Convert to fraction form
    822,499.60/1,233,749.40 = 635,645.20/x
  3. Step 3: Cross multiply
    822,499.60x = 1,233,749.40 × 635,645.20
  4. Step 4: Simplify right side
    822,499.60x = 784,226,884,112.88
  5. Step 5: Solve for x
    x = 784,226,884,112.88/822,499.60
  6. Step 6: Final answer
    x = 953,467.80

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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.