Home / 823,655.79-1,236,282.62-397,491.54

Finding the Fourth Proportional to 823,655.79, 1,236,282.62 and 397,491.54

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Solution

The fourth proportional to 823,655.79, 1,236,282.62 and 397,491.54 is: 596,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,655.79 : 1,236,282.62 = 397,491.54 : x
  2. Step 2: Convert to fraction form
    823,655.79/1,236,282.62 = 397,491.54/x
  3. Step 3: Cross multiply
    823,655.79x = 1,236,282.62 × 397,491.54
  4. Step 4: Simplify right side
    823,655.79x = 491,411,875,875.52
  5. Step 5: Solve for x
    x = 491,411,875,875.52/823,655.79
  6. Step 6: Final answer
    x = 596,622.86

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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.