Home / 839,262.80-1,259,266.26-439,808.60

Finding the Fourth Proportional to 839,262.80, 1,259,266.26 and 439,808.60

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Solution

The fourth proportional to 839,262.80, 1,259,266.26 and 439,808.60 is: 659,907.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,262.80 : 1,259,266.26 = 439,808.60 : x
  2. Step 2: Convert to fraction form
    839,262.80/1,259,266.26 = 439,808.60/x
  3. Step 3: Cross multiply
    839,262.80x = 1,259,266.26 × 439,808.60
  4. Step 4: Simplify right side
    839,262.80x = 553,836,130,837.84
  5. Step 5: Solve for x
    x = 553,836,130,837.84/839,262.80
  6. Step 6: Final answer
    x = 659,907.87

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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.