Home / 825,276.30-1,139,083.90-503,164.02

Finding the Fourth Proportional to 825,276.30, 1,139,083.90 and 503,164.02

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Solution

The fourth proportional to 825,276.30, 1,139,083.90 and 503,164.02 is: 694,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,276.30 : 1,139,083.90 = 503,164.02 : x
  2. Step 2: Convert to fraction form
    825,276.30/1,139,083.90 = 503,164.02/x
  3. Step 3: Cross multiply
    825,276.30x = 1,139,083.90 × 503,164.02
  4. Step 4: Simplify right side
    825,276.30x = 573,146,034,241.28
  5. Step 5: Solve for x
    x = 573,146,034,241.28/825,276.30
  6. Step 6: Final answer
    x = 694,489.87

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