Home / 889,170.80-1,333,887.40-258,002.56

Finding the Fourth Proportional to 889,170.80, 1,333,887.40 and 258,002.56

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Solution

The fourth proportional to 889,170.80, 1,333,887.40 and 258,002.56 is: 387,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,170.80 : 1,333,887.40 = 258,002.56 : x
  2. Step 2: Convert to fraction form
    889,170.80/1,333,887.40 = 258,002.56/x
  3. Step 3: Cross multiply
    889,170.80x = 1,333,887.40 × 258,002.56
  4. Step 4: Simplify right side
    889,170.80x = 344,146,363,951.74
  5. Step 5: Solve for x
    x = 344,146,363,951.74/889,170.80
  6. Step 6: Final answer
    x = 387,041.91

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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.