Home / 823,661.29-1,236,290.87-397,497.03

Finding the Fourth Proportional to 823,661.29, 1,236,290.87 and 397,497.03

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Solution

The fourth proportional to 823,661.29, 1,236,290.87 and 397,497.03 is: 596,631.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,661.29 : 1,236,290.87 = 397,497.03 : x
  2. Step 2: Convert to fraction form
    823,661.29/1,236,290.87 = 397,497.03/x
  3. Step 3: Cross multiply
    823,661.29x = 1,236,290.87 × 397,497.03
  4. Step 4: Simplify right side
    823,661.29x = 491,421,949,041.12
  5. Step 5: Solve for x
    x = 491,421,949,041.12/823,661.29
  6. Step 6: Final answer
    x = 596,631.11

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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.