Home / 828,240.94-1,242,389.20-229,151.93

Finding the Fourth Proportional to 828,240.94, 1,242,389.20 and 229,151.93

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Solution

The fourth proportional to 828,240.94, 1,242,389.20 and 229,151.93 is: 343,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,240.94 : 1,242,389.20 = 229,151.93 : x
  2. Step 2: Convert to fraction form
    828,240.94/1,242,389.20 = 229,151.93/x
  3. Step 3: Cross multiply
    828,240.94x = 1,242,389.20 × 229,151.93
  4. Step 4: Simplify right side
    828,240.94x = 284,695,882,991.16
  5. Step 5: Solve for x
    x = 284,695,882,991.16/828,240.94
  6. Step 6: Final answer
    x = 343,735.58

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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.