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Finding the Fourth Proportional to 722,451.64, 997,465.44 and 450,628.60

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Solution

The fourth proportional to 722,451.64, 997,465.44 and 450,628.60 is: 622,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,451.64 : 997,465.44 = 450,628.60 : x
  2. Step 2: Convert to fraction form
    722,451.64/997,465.44 = 450,628.60/x
  3. Step 3: Cross multiply
    722,451.64x = 997,465.44 × 450,628.60
  4. Step 4: Simplify right side
    722,451.64x = 449,486,454,775.58
  5. Step 5: Solve for x
    x = 449,486,454,775.58/722,451.64
  6. Step 6: Final answer
    x = 622,168.23

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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.