Home / 828,937.74-1,243,406.54-229,898.90

Finding the Fourth Proportional to 828,937.74, 1,243,406.54 and 229,898.90

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Solution

The fourth proportional to 828,937.74, 1,243,406.54 and 229,898.90 is: 344,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,937.74 : 1,243,406.54 = 229,898.90 : x
  2. Step 2: Convert to fraction form
    828,937.74/1,243,406.54 = 229,898.90/x
  3. Step 3: Cross multiply
    828,937.74x = 1,243,406.54 × 229,898.90
  4. Step 4: Simplify right side
    828,937.74x = 285,857,788,432.28
  5. Step 5: Solve for x
    x = 285,857,788,432.28/828,937.74
  6. Step 6: Final answer
    x = 344,848.32

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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.