Home / 923,367.02-1,385,489.16-639,494.42

Finding the Fourth Proportional to 923,367.02, 1,385,489.16 and 639,494.42

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Solution

The fourth proportional to 923,367.02, 1,385,489.16 and 639,494.42 is: 959,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,367.02 : 1,385,489.16 = 639,494.42 : x
  2. Step 2: Convert to fraction form
    923,367.02/1,385,489.16 = 639,494.42/x
  3. Step 3: Cross multiply
    923,367.02x = 1,385,489.16 × 639,494.42
  4. Step 4: Simplify right side
    923,367.02x = 886,012,579,863.04
  5. Step 5: Solve for x
    x = 886,012,579,863.04/923,367.02
  6. Step 6: Final answer
    x = 959,545.41

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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.