Home / 484,619.96-668,768.40-269,759.72

Finding the Fourth Proportional to 484,619.96, 668,768.40 and 269,759.72

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Solution

The fourth proportional to 484,619.96, 668,768.40 and 269,759.72 is: 372,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,619.96 : 668,768.40 = 269,759.72 : x
  2. Step 2: Convert to fraction form
    484,619.96/668,768.40 = 269,759.72/x
  3. Step 3: Cross multiply
    484,619.96x = 668,768.40 × 269,759.72
  4. Step 4: Simplify right side
    484,619.96x = 180,406,776,328.85
  5. Step 5: Solve for x
    x = 180,406,776,328.85/484,619.96
  6. Step 6: Final answer
    x = 372,264.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.