Home / 828,423.07-1,242,632.54-229,382.24

Finding the Fourth Proportional to 828,423.07, 1,242,632.54 and 229,382.24

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Solution

The fourth proportional to 828,423.07, 1,242,632.54 and 229,382.24 is: 344,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,423.07 : 1,242,632.54 = 229,382.24 : x
  2. Step 2: Convert to fraction form
    828,423.07/1,242,632.54 = 229,382.24/x
  3. Step 3: Cross multiply
    828,423.07x = 1,242,632.54 × 229,382.24
  4. Step 4: Simplify right side
    828,423.07x = 285,037,829,882.38
  5. Step 5: Solve for x
    x = 285,037,829,882.38/828,423.07
  6. Step 6: Final answer
    x = 344,072.78

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Double scale
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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.