Home / 828,243.78-1,242,393.30-229,154.82

Finding the Fourth Proportional to 828,243.78, 1,242,393.30 and 229,154.82

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Solution

The fourth proportional to 828,243.78, 1,242,393.30 and 229,154.82 is: 343,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,243.78 : 1,242,393.30 = 229,154.82 : x
  2. Step 2: Convert to fraction form
    828,243.78/1,242,393.30 = 229,154.82/x
  3. Step 3: Cross multiply
    828,243.78x = 1,242,393.30 × 229,154.82
  4. Step 4: Simplify right side
    828,243.78x = 284,700,413,030.71
  5. Step 5: Solve for x
    x = 284,700,413,030.71/828,243.78
  6. Step 6: Final answer
    x = 343,739.87

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1.5x scale

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.