Home / 940,418.40-1,410,627.60-309,250.20

Finding the Fourth Proportional to 940,418.40, 1,410,627.60 and 309,250.20

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Solution

The fourth proportional to 940,418.40, 1,410,627.60 and 309,250.20 is: 463,875.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,418.40 : 1,410,627.60 = 309,250.20 : x
  2. Step 2: Convert to fraction form
    940,418.40/1,410,627.60 = 309,250.20/x
  3. Step 3: Cross multiply
    940,418.40x = 1,410,627.60 × 309,250.20
  4. Step 4: Simplify right side
    940,418.40x = 436,236,867,425.52
  5. Step 5: Solve for x
    x = 436,236,867,425.52/940,418.40
  6. Step 6: Final answer
    x = 463,875.30

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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.