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Finding the Fourth Proportional to 466,936.80, 700,405.20 and 348,838.80

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Solution

The fourth proportional to 466,936.80, 700,405.20 and 348,838.80 is: 523,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,936.80 : 700,405.20 = 348,838.80 : x
  2. Step 2: Convert to fraction form
    466,936.80/700,405.20 = 348,838.80/x
  3. Step 3: Cross multiply
    466,936.80x = 700,405.20 × 348,838.80
  4. Step 4: Simplify right side
    466,936.80x = 244,328,509,481.76
  5. Step 5: Solve for x
    x = 244,328,509,481.76/466,936.80
  6. Step 6: Final answer
    x = 523,258.20

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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.