Home / 481,369.29-663,886.06-309,315.27

Finding the Fourth Proportional to 481,369.29, 663,886.06 and 309,315.27

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Solution

The fourth proportional to 481,369.29, 663,886.06 and 309,315.27 is: 426,595.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,369.29 : 663,886.06 = 309,315.27 : x
  2. Step 2: Convert to fraction form
    481,369.29/663,886.06 = 309,315.27/x
  3. Step 3: Cross multiply
    481,369.29x = 663,886.06 × 309,315.27
  4. Step 4: Simplify right side
    481,369.29x = 205,350,096,118.57
  5. Step 5: Solve for x
    x = 205,350,096,118.57/481,369.29
  6. Step 6: Final answer
    x = 426,595.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.