Home / 484,504.20-668,637.72-280,564.02

Finding the Fourth Proportional to 484,504.20, 668,637.72 and 280,564.02

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Solution

The fourth proportional to 484,504.20, 668,637.72 and 280,564.02 is: 387,191.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,504.20 : 668,637.72 = 280,564.02 : x
  2. Step 2: Convert to fraction form
    484,504.20/668,637.72 = 280,564.02/x
  3. Step 3: Cross multiply
    484,504.20x = 668,637.72 × 280,564.02
  4. Step 4: Simplify right side
    484,504.20x = 187,595,686,646.83
  5. Step 5: Solve for x
    x = 187,595,686,646.83/484,504.20
  6. Step 6: Final answer
    x = 387,191.04

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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.