Home / 484,586.47-668,729.35-269,721.92

Finding the Fourth Proportional to 484,586.47, 668,729.35 and 269,721.92

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Solution

The fourth proportional to 484,586.47, 668,729.35 and 269,721.92 is: 372,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,586.47 : 668,729.35 = 269,721.92 : x
  2. Step 2: Convert to fraction form
    484,586.47/668,729.35 = 269,721.92/x
  3. Step 3: Cross multiply
    484,586.47x = 668,729.35 × 269,721.92
  4. Step 4: Simplify right side
    484,586.47x = 180,370,964,242.35
  5. Step 5: Solve for x
    x = 180,370,964,242.35/484,586.47
  6. Step 6: Final answer
    x = 372,216.26

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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.