Home / 484,774.20-668,982.02-280,852.92

Finding the Fourth Proportional to 484,774.20, 668,982.02 and 280,852.92

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Solution

The fourth proportional to 484,774.20, 668,982.02 and 280,852.92 is: 387,573.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,774.20 : 668,982.02 = 280,852.92 : x
  2. Step 2: Convert to fraction form
    484,774.20/668,982.02 = 280,852.92/x
  3. Step 3: Cross multiply
    484,774.20x = 668,982.02 × 280,852.92
  4. Step 4: Simplify right side
    484,774.20x = 187,885,553,744.50
  5. Step 5: Solve for x
    x = 187,885,553,744.50/484,774.20
  6. Step 6: Final answer
    x = 387,573.34

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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.