Home / 840,873.62-1,260,560.48-308,270.48

Finding the Fourth Proportional to 840,873.62, 1,260,560.48 and 308,270.48

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Solution

The fourth proportional to 840,873.62, 1,260,560.48 and 308,270.48 is: 462,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,873.62 : 1,260,560.48 = 308,270.48 : x
  2. Step 2: Convert to fraction form
    840,873.62/1,260,560.48 = 308,270.48/x
  3. Step 3: Cross multiply
    840,873.62x = 1,260,560.48 × 308,270.48
  4. Step 4: Simplify right side
    840,873.62x = 388,593,576,394.48
  5. Step 5: Solve for x
    x = 388,593,576,394.48/840,873.62
  6. Step 6: Final answer
    x = 462,130.77

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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.