Home / 806,270.91-1,112,654.04-443,694.77

Finding the Fourth Proportional to 806,270.91, 1,112,654.04 and 443,694.77

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Solution

The fourth proportional to 806,270.91, 1,112,654.04 and 443,694.77 is: 612,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,270.91 : 1,112,654.04 = 443,694.77 : x
  2. Step 2: Convert to fraction form
    806,270.91/1,112,654.04 = 443,694.77/x
  3. Step 3: Cross multiply
    806,270.91x = 1,112,654.04 × 443,694.77
  4. Step 4: Simplify right side
    806,270.91x = 493,678,772,804.10
  5. Step 5: Solve for x
    x = 493,678,772,804.10/806,270.91
  6. Step 6: Final answer
    x = 612,298.88

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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.