Home / 820,393.30-1,230,584.48-441,492.31

Finding the Fourth Proportional to 820,393.30, 1,230,584.48 and 441,492.31

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Solution

The fourth proportional to 820,393.30, 1,230,584.48 and 441,492.31 is: 662,235.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,393.30 : 1,230,584.48 = 441,492.31 : x
  2. Step 2: Convert to fraction form
    820,393.30/1,230,584.48 = 441,492.31/x
  3. Step 3: Cross multiply
    820,393.30x = 1,230,584.48 × 441,492.31
  4. Step 4: Simplify right side
    820,393.30x = 543,293,584,725.35
  5. Step 5: Solve for x
    x = 543,293,584,725.35/820,393.30
  6. Step 6: Final answer
    x = 662,235.52

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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.