Home / 806,286.65-1,112,675.73-443,710.50

Finding the Fourth Proportional to 806,286.65, 1,112,675.73 and 443,710.50

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Solution

The fourth proportional to 806,286.65, 1,112,675.73 and 443,710.50 is: 612,320.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,286.65 : 1,112,675.73 = 443,710.50 : x
  2. Step 2: Convert to fraction form
    806,286.65/1,112,675.73 = 443,710.50/x
  3. Step 3: Cross multiply
    806,286.65x = 1,112,675.73 × 443,710.50
  4. Step 4: Simplify right side
    806,286.65x = 493,705,904,496.17
  5. Step 5: Solve for x
    x = 493,705,904,496.17/806,286.65
  6. Step 6: Final answer
    x = 612,320.58

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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.