Home / 889,703.45-1,334,592.07-258,617.26

Finding the Fourth Proportional to 889,703.45, 1,334,592.07 and 258,617.26

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Solution

The fourth proportional to 889,703.45, 1,334,592.07 and 258,617.26 is: 387,936.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,703.45 : 1,334,592.07 = 258,617.26 : x
  2. Step 2: Convert to fraction form
    889,703.45/1,334,592.07 = 258,617.26/x
  3. Step 3: Cross multiply
    889,703.45x = 1,334,592.07 × 258,617.26
  4. Step 4: Simplify right side
    889,703.45x = 345,148,540,378.11
  5. Step 5: Solve for x
    x = 345,148,540,378.11/889,703.45
  6. Step 6: Final answer
    x = 387,936.61

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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.