Home / 889,945.80-1,334,789.10-258,793.80

Finding the Fourth Proportional to 889,945.80, 1,334,789.10 and 258,793.80

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Solution

The fourth proportional to 889,945.80, 1,334,789.10 and 258,793.80 is: 388,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,945.80 : 1,334,789.10 = 258,793.80 : x
  2. Step 2: Convert to fraction form
    889,945.80/1,334,789.10 = 258,793.80/x
  3. Step 3: Cross multiply
    889,945.80x = 1,334,789.10 × 258,793.80
  4. Step 4: Simplify right side
    889,945.80x = 345,435,143,387.58
  5. Step 5: Solve for x
    x = 345,435,143,387.58/889,945.80
  6. Step 6: Final answer
    x = 388,153.01

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Double scale
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1.5x scale

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.