Home / 828,677.63-1,243,012.89-229,637.07

Finding the Fourth Proportional to 828,677.63, 1,243,012.89 and 229,637.07

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Solution

The fourth proportional to 828,677.63, 1,243,012.89 and 229,637.07 is: 344,454.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,677.63 : 1,243,012.89 = 229,637.07 : x
  2. Step 2: Convert to fraction form
    828,677.63/1,243,012.89 = 229,637.07/x
  3. Step 3: Cross multiply
    828,677.63x = 1,243,012.89 × 229,637.07
  4. Step 4: Simplify right side
    828,677.63x = 285,441,838,031.83
  5. Step 5: Solve for x
    x = 285,441,838,031.83/828,677.63
  6. Step 6: Final answer
    x = 344,454.62

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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.