Home / 828,985.28-1,243,477.80-229,946.46

Finding the Fourth Proportional to 828,985.28, 1,243,477.80 and 229,946.46

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Solution

The fourth proportional to 828,985.28, 1,243,477.80 and 229,946.46 is: 344,919.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,985.28 : 1,243,477.80 = 229,946.46 : x
  2. Step 2: Convert to fraction form
    828,985.28/1,243,477.80 = 229,946.46/x
  3. Step 3: Cross multiply
    828,985.28x = 1,243,477.80 × 229,946.46
  4. Step 4: Simplify right side
    828,985.28x = 285,933,318,198.59
  5. Step 5: Solve for x
    x = 285,933,318,198.59/828,985.28
  6. Step 6: Final answer
    x = 344,919.66

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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.