Home / 825,577.92-1,139,422.06-503,474.86

Finding the Fourth Proportional to 825,577.92, 1,139,422.06 and 503,474.86

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Solution

The fourth proportional to 825,577.92, 1,139,422.06 and 503,474.86 is: 694,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,577.92 : 1,139,422.06 = 503,474.86 : x
  2. Step 2: Convert to fraction form
    825,577.92/1,139,422.06 = 503,474.86/x
  3. Step 3: Cross multiply
    825,577.92x = 1,139,422.06 × 503,474.86
  4. Step 4: Simplify right side
    825,577.92x = 573,670,356,442.30
  5. Step 5: Solve for x
    x = 573,670,356,442.30/825,577.92
  6. Step 6: Final answer
    x = 694,871.24

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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.