Home / 823,980.10-1,236,769.23-397,816.42

Finding the Fourth Proportional to 823,980.10, 1,236,769.23 and 397,816.42

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Solution

The fourth proportional to 823,980.10, 1,236,769.23 and 397,816.42 is: 597,110.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,980.10 : 1,236,769.23 = 397,816.42 : x
  2. Step 2: Convert to fraction form
    823,980.10/1,236,769.23 = 397,816.42/x
  3. Step 3: Cross multiply
    823,980.10x = 1,236,769.23 × 397,816.42
  4. Step 4: Simplify right side
    823,980.10x = 492,007,107,444.76
  5. Step 5: Solve for x
    x = 492,007,107,444.76/823,980.10
  6. Step 6: Final answer
    x = 597,110.42

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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.