Home / 825,281.45-1,139,090.96-503,169.14

Finding the Fourth Proportional to 825,281.45, 1,139,090.96 and 503,169.14

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Solution

The fourth proportional to 825,281.45, 1,139,090.96 and 503,169.14 is: 694,496.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,281.45 : 1,139,090.96 = 503,169.14 : x
  2. Step 2: Convert to fraction form
    825,281.45/1,139,090.96 = 503,169.14/x
  3. Step 3: Cross multiply
    825,281.45x = 1,139,090.96 × 503,169.14
  4. Step 4: Simplify right side
    825,281.45x = 573,155,414,287.44
  5. Step 5: Solve for x
    x = 573,155,414,287.44/825,281.45
  6. Step 6: Final answer
    x = 694,496.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.