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Finding the Fourth Proportional to 512,252.60, 766,629.30 and 470,262.20

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Solution

The fourth proportional to 512,252.60, 766,629.30 and 470,262.20 is: 703,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,252.60 : 766,629.30 = 470,262.20 : x
  2. Step 2: Convert to fraction form
    512,252.60/766,629.30 = 470,262.20/x
  3. Step 3: Cross multiply
    512,252.60x = 766,629.30 × 470,262.20
  4. Step 4: Simplify right side
    512,252.60x = 360,516,781,202.46
  5. Step 5: Solve for x
    x = 360,516,781,202.46/512,252.60
  6. Step 6: Final answer
    x = 703,787.12

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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.