Home / 889,791.75-1,334,915.01-258,705.59

Finding the Fourth Proportional to 889,791.75, 1,334,915.01 and 258,705.59

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Solution

The fourth proportional to 889,791.75, 1,334,915.01 and 258,705.59 is: 388,124.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,791.75 : 1,334,915.01 = 258,705.59 : x
  2. Step 2: Convert to fraction form
    889,791.75/1,334,915.01 = 258,705.59/x
  3. Step 3: Cross multiply
    889,791.75x = 1,334,915.01 × 258,705.59
  4. Step 4: Simplify right side
    889,791.75x = 345,349,968,587.33
  5. Step 5: Solve for x
    x = 345,349,968,587.33/889,791.75
  6. Step 6: Final answer
    x = 388,124.49

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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.