Home / 889,794.41-1,334,919.13-258,708.23

Finding the Fourth Proportional to 889,794.41, 1,334,919.13 and 258,708.23

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Solution

The fourth proportional to 889,794.41, 1,334,919.13 and 258,708.23 is: 388,128.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,794.41 : 1,334,919.13 = 258,708.23 : x
  2. Step 2: Convert to fraction form
    889,794.41/1,334,919.13 = 258,708.23/x
  3. Step 3: Cross multiply
    889,794.41x = 1,334,919.13 × 258,708.23
  4. Step 4: Simplify right side
    889,794.41x = 345,354,557,347.30
  5. Step 5: Solve for x
    x = 345,354,557,347.30/889,794.41
  6. Step 6: Final answer
    x = 388,128.49

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Double scale
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Similar ratio
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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.