Home / 751,304.46-1,036,798.11-407,149.90

Finding the Fourth Proportional to 751,304.46, 1,036,798.11 and 407,149.90

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Solution

The fourth proportional to 751,304.46, 1,036,798.11 and 407,149.90 is: 561,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,304.46 : 1,036,798.11 = 407,149.90 : x
  2. Step 2: Convert to fraction form
    751,304.46/1,036,798.11 = 407,149.90/x
  3. Step 3: Cross multiply
    751,304.46x = 1,036,798.11 × 407,149.90
  4. Step 4: Simplify right side
    751,304.46x = 422,132,246,806.69
  5. Step 5: Solve for x
    x = 422,132,246,806.69/751,304.46
  6. Step 6: Final answer
    x = 561,865.75

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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.