Home / 839,261.18-1,259,263.82-439,806.98

Finding the Fourth Proportional to 839,261.18, 1,259,263.82 and 439,806.98

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Solution

The fourth proportional to 839,261.18, 1,259,263.82 and 439,806.98 is: 659,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,261.18 : 1,259,263.82 = 439,806.98 : x
  2. Step 2: Convert to fraction form
    839,261.18/1,259,263.82 = 439,806.98/x
  3. Step 3: Cross multiply
    839,261.18x = 1,259,263.82 × 439,806.98
  4. Step 4: Simplify right side
    839,261.18x = 553,833,012,500.66
  5. Step 5: Solve for x
    x = 553,833,012,500.66/839,261.18
  6. Step 6: Final answer
    x = 659,905.44

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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.