Home / 839,261.39-1,259,989.55-498,327.35

Finding the Fourth Proportional to 839,261.39, 1,259,989.55 and 498,327.35

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Solution

The fourth proportional to 839,261.39, 1,259,989.55 and 498,327.35 is: 748,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,261.39 : 1,259,989.55 = 498,327.35 : x
  2. Step 2: Convert to fraction form
    839,261.39/1,259,989.55 = 498,327.35/x
  3. Step 3: Cross multiply
    839,261.39x = 1,259,989.55 × 498,327.35
  4. Step 4: Simplify right side
    839,261.39x = 627,887,250,987.56
  5. Step 5: Solve for x
    x = 627,887,250,987.56/839,261.39
  6. Step 6: Final answer
    x = 748,142.66

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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.