Home / 889,251.21-1,334,005.20-290,064.24

Finding the Fourth Proportional to 889,251.21, 1,334,005.20 and 290,064.24

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Solution

The fourth proportional to 889,251.21, 1,334,005.20 and 290,064.24 is: 435,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,251.21 : 1,334,005.20 = 290,064.24 : x
  2. Step 2: Convert to fraction form
    889,251.21/1,334,005.20 = 290,064.24/x
  3. Step 3: Cross multiply
    889,251.21x = 1,334,005.20 × 290,064.24
  4. Step 4: Simplify right side
    889,251.21x = 386,947,204,494.05
  5. Step 5: Solve for x
    x = 386,947,204,494.05/889,251.21
  6. Step 6: Final answer
    x = 435,138.24

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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.