Home / 823,076.44-1,234,836.50-343,144.76

Finding the Fourth Proportional to 823,076.44, 1,234,836.50 and 343,144.76

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Solution

The fourth proportional to 823,076.44, 1,234,836.50 and 343,144.76 is: 514,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,076.44 : 1,234,836.50 = 343,144.76 : x
  2. Step 2: Convert to fraction form
    823,076.44/1,234,836.50 = 343,144.76/x
  3. Step 3: Cross multiply
    823,076.44x = 1,234,836.50 × 343,144.76
  4. Step 4: Simplify right side
    823,076.44x = 423,727,666,541.83
  5. Step 5: Solve for x
    x = 423,727,666,541.83/823,076.44
  6. Step 6: Final answer
    x = 514,809.62

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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.