Home / 694,649.96-1,041,963.60-221,328.89

Finding the Fourth Proportional to 694,649.96, 1,041,963.60 and 221,328.89

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Solution

The fourth proportional to 694,649.96, 1,041,963.60 and 221,328.89 is: 331,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,649.96 : 1,041,963.60 = 221,328.89 : x
  2. Step 2: Convert to fraction form
    694,649.96/1,041,963.60 = 221,328.89/x
  3. Step 3: Cross multiply
    694,649.96x = 1,041,963.60 × 221,328.89
  4. Step 4: Simplify right side
    694,649.96x = 230,616,645,290.96
  5. Step 5: Solve for x
    x = 230,616,645,290.96/694,649.96
  6. Step 6: Final answer
    x = 331,989.72

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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.