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Finding the Fourth Proportional to 587,148.40, 880,722.60 and 307,212.40

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Solution

The fourth proportional to 587,148.40, 880,722.60 and 307,212.40 is: 460,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,148.40 : 880,722.60 = 307,212.40 : x
  2. Step 2: Convert to fraction form
    587,148.40/880,722.60 = 307,212.40/x
  3. Step 3: Cross multiply
    587,148.40x = 880,722.60 × 307,212.40
  4. Step 4: Simplify right side
    587,148.40x = 270,568,903,680.24
  5. Step 5: Solve for x
    x = 270,568,903,680.24/587,148.40
  6. Step 6: Final answer
    x = 460,818.60

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