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Finding the Fourth Proportional to 978,095.80, 1,468,007.70 and 578,236.60

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Solution

The fourth proportional to 978,095.80, 1,468,007.70 and 578,236.60 is: 867,865.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,095.80 : 1,468,007.70 = 578,236.60 : x
  2. Step 2: Convert to fraction form
    978,095.80/1,468,007.70 = 578,236.60/x
  3. Step 3: Cross multiply
    978,095.80x = 1,468,007.70 × 578,236.60
  4. Step 4: Simplify right side
    978,095.80x = 848,855,781,221.82
  5. Step 5: Solve for x
    x = 848,855,781,221.82/978,095.80
  6. Step 6: Final answer
    x = 867,865.68

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Why These Related Problems?

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