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Finding the Fourth Proportional to 647,550.80, 970,937.40 and 332,622.80

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Solution

The fourth proportional to 647,550.80, 970,937.40 and 332,622.80 is: 498,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,550.80 : 970,937.40 = 332,622.80 : x
  2. Step 2: Convert to fraction form
    647,550.80/970,937.40 = 332,622.80/x
  3. Step 3: Cross multiply
    647,550.80x = 970,937.40 × 332,622.80
  4. Step 4: Simplify right side
    647,550.80x = 322,955,916,612.72
  5. Step 5: Solve for x
    x = 322,955,916,612.72/647,550.80
  6. Step 6: Final answer
    x = 498,734.49

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1.5x scale

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.