Home / 484,512.45-668,649.06-280,572.27

Finding the Fourth Proportional to 484,512.45, 668,649.06 and 280,572.27

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Solution

The fourth proportional to 484,512.45, 668,649.06 and 280,572.27 is: 387,202.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,512.45 : 668,649.06 = 280,572.27 : x
  2. Step 2: Convert to fraction form
    484,512.45/668,649.06 = 280,572.27/x
  3. Step 3: Cross multiply
    484,512.45x = 668,649.06 × 280,572.27
  4. Step 4: Simplify right side
    484,512.45x = 187,604,384,597.57
  5. Step 5: Solve for x
    x = 187,604,384,597.57/484,512.45
  6. Step 6: Final answer
    x = 387,202.40

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1.5x scale

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.