Home / 889,180.80-1,333,902.40-258,012.56

Finding the Fourth Proportional to 889,180.80, 1,333,902.40 and 258,012.56

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Solution

The fourth proportional to 889,180.80, 1,333,902.40 and 258,012.56 is: 387,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,180.80 : 1,333,902.40 = 258,012.56 : x
  2. Step 2: Convert to fraction form
    889,180.80/1,333,902.40 = 258,012.56/x
  3. Step 3: Cross multiply
    889,180.80x = 1,333,902.40 × 258,012.56
  4. Step 4: Simplify right side
    889,180.80x = 344,163,573,014.14
  5. Step 5: Solve for x
    x = 344,163,573,014.14/889,180.80
  6. Step 6: Final answer
    x = 387,056.91

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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.