Home / 839,327.04-1,259,362.56-439,872.48

Finding the Fourth Proportional to 839,327.04, 1,259,362.56 and 439,872.48

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Solution

The fourth proportional to 839,327.04, 1,259,362.56 and 439,872.48 is: 660,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,327.04 : 1,259,362.56 = 439,872.48 : x
  2. Step 2: Convert to fraction form
    839,327.04/1,259,362.56 = 439,872.48/x
  3. Step 3: Cross multiply
    839,327.04x = 1,259,362.56 × 439,872.48
  4. Step 4: Simplify right side
    839,327.04x = 553,958,932,486.35
  5. Step 5: Solve for x
    x = 553,958,932,486.35/839,327.04
  6. Step 6: Final answer
    x = 660,003.68

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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.