Home / 839,218.74-1,259,925.52-498,284.48

Finding the Fourth Proportional to 839,218.74, 1,259,925.52 and 498,284.48

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Solution

The fourth proportional to 839,218.74, 1,259,925.52 and 498,284.48 is: 748,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,218.74 : 1,259,925.52 = 498,284.48 : x
  2. Step 2: Convert to fraction form
    839,218.74/1,259,925.52 = 498,284.48/x
  3. Step 3: Cross multiply
    839,218.74x = 1,259,925.52 × 498,284.48
  4. Step 4: Simplify right side
    839,218.74x = 627,801,332,571.93
  5. Step 5: Solve for x
    x = 627,801,332,571.93/839,218.74
  6. Step 6: Final answer
    x = 748,078.31

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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.