Home / 825,278.30-1,139,086.66-503,166.02

Finding the Fourth Proportional to 825,278.30, 1,139,086.66 and 503,166.02

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Solution

The fourth proportional to 825,278.30, 1,139,086.66 and 503,166.02 is: 694,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,278.30 : 1,139,086.66 = 503,166.02 : x
  2. Step 2: Convert to fraction form
    825,278.30/1,139,086.66 = 503,166.02/x
  3. Step 3: Cross multiply
    825,278.30x = 1,139,086.66 × 503,166.02
  4. Step 4: Simplify right side
    825,278.30x = 573,149,701,147.29
  5. Step 5: Solve for x
    x = 573,149,701,147.29/825,278.30
  6. Step 6: Final answer
    x = 694,492.63

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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.