Home / 802,702.44-1,204,170.48-428,521.32

Finding the Fourth Proportional to 802,702.44, 1,204,170.48 and 428,521.32

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Solution

The fourth proportional to 802,702.44, 1,204,170.48 and 428,521.32 is: 642,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,702.44 : 1,204,170.48 = 428,521.32 : x
  2. Step 2: Convert to fraction form
    802,702.44/1,204,170.48 = 428,521.32/x
  3. Step 3: Cross multiply
    802,702.44x = 1,204,170.48 × 428,521.32
  4. Step 4: Simplify right side
    802,702.44x = 516,012,723,594.63
  5. Step 5: Solve for x
    x = 516,012,723,594.63/802,702.44
  6. Step 6: Final answer
    x = 642,844.34

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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.