Home / 751,661.25-1,127,470.01-278,336.13

Finding the Fourth Proportional to 751,661.25, 1,127,470.01 and 278,336.13

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Solution

The fourth proportional to 751,661.25, 1,127,470.01 and 278,336.13 is: 417,496.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,661.25 : 1,127,470.01 = 278,336.13 : x
  2. Step 2: Convert to fraction form
    751,661.25/1,127,470.01 = 278,336.13/x
  3. Step 3: Cross multiply
    751,661.25x = 1,127,470.01 × 278,336.13
  4. Step 4: Simplify right side
    751,661.25x = 313,815,637,882.78
  5. Step 5: Solve for x
    x = 313,815,637,882.78/751,661.25
  6. Step 6: Final answer
    x = 417,496.10

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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.