Home / 889,324.05-1,334,022.98-258,237.86

Finding the Fourth Proportional to 889,324.05, 1,334,022.98 and 258,237.86

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Solution

The fourth proportional to 889,324.05, 1,334,022.98 and 258,237.86 is: 387,367.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,324.05 : 1,334,022.98 = 258,237.86 : x
  2. Step 2: Convert to fraction form
    889,324.05/1,334,022.98 = 258,237.86/x
  3. Step 3: Cross multiply
    889,324.05x = 1,334,022.98 × 258,237.86
  4. Step 4: Simplify right side
    889,324.05x = 344,495,239,546.02
  5. Step 5: Solve for x
    x = 344,495,239,546.02/889,324.05
  6. Step 6: Final answer
    x = 387,367.51

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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.