Home / 751,097.40-1,125,115.20-465,912.60

Finding the Fourth Proportional to 751,097.40, 1,125,115.20 and 465,912.60

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Solution

The fourth proportional to 751,097.40, 1,125,115.20 and 465,912.60 is: 697,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,097.40 : 1,125,115.20 = 465,912.60 : x
  2. Step 2: Convert to fraction form
    751,097.40/1,125,115.20 = 465,912.60/x
  3. Step 3: Cross multiply
    751,097.40x = 1,125,115.20 × 465,912.60
  4. Step 4: Simplify right side
    751,097.40x = 524,205,348,131.52
  5. Step 5: Solve for x
    x = 524,205,348,131.52/751,097.40
  6. Step 6: Final answer
    x = 697,919.27

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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.