Home / 719,932.58-1,079,702.04-270,618.90

Finding the Fourth Proportional to 719,932.58, 1,079,702.04 and 270,618.90

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Solution

The fourth proportional to 719,932.58, 1,079,702.04 and 270,618.90 is: 405,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,932.58 : 1,079,702.04 = 270,618.90 : x
  2. Step 2: Convert to fraction form
    719,932.58/1,079,702.04 = 270,618.90/x
  3. Step 3: Cross multiply
    719,932.58x = 1,079,702.04 × 270,618.90
  4. Step 4: Simplify right side
    719,932.58x = 292,187,781,431.82
  5. Step 5: Solve for x
    x = 292,187,781,431.82/719,932.58
  6. Step 6: Final answer
    x = 405,854.36

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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.