Home / 828,678.38-1,243,014.02-229,637.81

Finding the Fourth Proportional to 828,678.38, 1,243,014.02 and 229,637.81

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Solution

The fourth proportional to 828,678.38, 1,243,014.02 and 229,637.81 is: 344,455.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,678.38 : 1,243,014.02 = 229,637.81 : x
  2. Step 2: Convert to fraction form
    828,678.38/1,243,014.02 = 229,637.81/x
  3. Step 3: Cross multiply
    828,678.38x = 1,243,014.02 × 229,637.81
  4. Step 4: Simplify right side
    828,678.38x = 285,443,020,172.58
  5. Step 5: Solve for x
    x = 285,443,020,172.58/828,678.38
  6. Step 6: Final answer
    x = 344,455.74

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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.