Home / 751,567.96-1,127,499.36-278,257.42

Finding the Fourth Proportional to 751,567.96, 1,127,499.36 and 278,257.42

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Solution

The fourth proportional to 751,567.96, 1,127,499.36 and 278,257.42 is: 417,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,567.96 : 1,127,499.36 = 278,257.42 : x
  2. Step 2: Convert to fraction form
    751,567.96/1,127,499.36 = 278,257.42/x
  3. Step 3: Cross multiply
    751,567.96x = 1,127,499.36 × 278,257.42
  4. Step 4: Simplify right side
    751,567.96x = 313,735,055,936.47
  5. Step 5: Solve for x
    x = 313,735,055,936.47/751,567.96
  6. Step 6: Final answer
    x = 417,440.70

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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.