Home / 751,341.12-1,127,453.94-278,356.20

Finding the Fourth Proportional to 751,341.12, 1,127,453.94 and 278,356.20

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Solution

The fourth proportional to 751,341.12, 1,127,453.94 and 278,356.20 is: 417,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,341.12 : 1,127,453.94 = 278,356.20 : x
  2. Step 2: Convert to fraction form
    751,341.12/1,127,453.94 = 278,356.20/x
  3. Step 3: Cross multiply
    751,341.12x = 1,127,453.94 × 278,356.20
  4. Step 4: Simplify right side
    751,341.12x = 313,833,794,413.43
  5. Step 5: Solve for x
    x = 313,833,794,413.43/751,341.12
  6. Step 6: Final answer
    x = 417,698.15

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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.