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Finding the Fourth Proportional to 873,007.64, 1,309,708.47 and 265,850.25

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Solution

The fourth proportional to 873,007.64, 1,309,708.47 and 265,850.25 is: 398,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,007.64 : 1,309,708.47 = 265,850.25 : x
  2. Step 2: Convert to fraction form
    873,007.64/1,309,708.47 = 265,850.25/x
  3. Step 3: Cross multiply
    873,007.64x = 1,309,708.47 × 265,850.25
  4. Step 4: Simplify right side
    873,007.64x = 348,186,324,176.62
  5. Step 5: Solve for x
    x = 348,186,324,176.62/873,007.64
  6. Step 6: Final answer
    x = 398,835.37

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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.