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Finding the Fourth Proportional to 700,730.10, 967,007.30 and 378,440.27

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Solution

The fourth proportional to 700,730.10, 967,007.30 and 378,440.27 is: 522,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,730.10 : 967,007.30 = 378,440.27 : x
  2. Step 2: Convert to fraction form
    700,730.10/967,007.30 = 378,440.27/x
  3. Step 3: Cross multiply
    700,730.10x = 967,007.30 × 378,440.27
  4. Step 4: Simplify right side
    700,730.10x = 365,954,496,976.73
  5. Step 5: Solve for x
    x = 365,954,496,976.73/700,730.10
  6. Step 6: Final answer
    x = 522,247.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.