Home / 484,991.30-669,056.20-376,821.06

Finding the Fourth Proportional to 484,991.30, 669,056.20 and 376,821.06

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Solution

The fourth proportional to 484,991.30, 669,056.20 and 376,821.06 is: 519,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,991.30 : 669,056.20 = 376,821.06 : x
  2. Step 2: Convert to fraction form
    484,991.30/669,056.20 = 376,821.06/x
  3. Step 3: Cross multiply
    484,991.30x = 669,056.20 × 376,821.06
  4. Step 4: Simplify right side
    484,991.30x = 252,114,466,483.57
  5. Step 5: Solve for x
    x = 252,114,466,483.57/484,991.30
  6. Step 6: Final answer
    x = 519,832.97

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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.