Home / 751,422.75-1,036,967.04-449,616.75

Finding the Fourth Proportional to 751,422.75, 1,036,967.04 and 449,616.75

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Solution

The fourth proportional to 751,422.75, 1,036,967.04 and 449,616.75 is: 620,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,422.75 : 1,036,967.04 = 449,616.75 : x
  2. Step 2: Convert to fraction form
    751,422.75/1,036,967.04 = 449,616.75/x
  3. Step 3: Cross multiply
    751,422.75x = 1,036,967.04 × 449,616.75
  4. Step 4: Simplify right side
    751,422.75x = 466,237,750,381.92
  5. Step 5: Solve for x
    x = 466,237,750,381.92/751,422.75
  6. Step 6: Final answer
    x = 620,473.30

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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.