Home / 840,861.58-1,260,542.22-308,258.20

Finding the Fourth Proportional to 840,861.58, 1,260,542.22 and 308,258.20

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Solution

The fourth proportional to 840,861.58, 1,260,542.22 and 308,258.20 is: 462,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,861.58 : 1,260,542.22 = 308,258.20 : x
  2. Step 2: Convert to fraction form
    840,861.58/1,260,542.22 = 308,258.20/x
  3. Step 3: Cross multiply
    840,861.58x = 1,260,542.22 × 308,258.20
  4. Step 4: Simplify right side
    840,861.58x = 388,572,475,761.20
  5. Step 5: Solve for x
    x = 388,572,475,761.20/840,861.58
  6. Step 6: Final answer
    x = 462,112.30

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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.