Home / 828,658.76-1,243,014.86-229,625.69

Finding the Fourth Proportional to 828,658.76, 1,243,014.86 and 229,625.69

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Solution

The fourth proportional to 828,658.76, 1,243,014.86 and 229,625.69 is: 344,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,658.76 : 1,243,014.86 = 229,625.69 : x
  2. Step 2: Convert to fraction form
    828,658.76/1,243,014.86 = 229,625.69/x
  3. Step 3: Cross multiply
    828,658.76x = 1,243,014.86 × 229,625.69
  4. Step 4: Simplify right side
    828,658.76x = 285,428,139,266.74
  5. Step 5: Solve for x
    x = 285,428,139,266.74/828,658.76
  6. Step 6: Final answer
    x = 344,445.93

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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.