Home / 479,476.75-661,687.04-264,612.21

Finding the Fourth Proportional to 479,476.75, 661,687.04 and 264,612.21

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Solution

The fourth proportional to 479,476.75, 661,687.04 and 264,612.21 is: 365,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,476.75 : 661,687.04 = 264,612.21 : x
  2. Step 2: Convert to fraction form
    479,476.75/661,687.04 = 264,612.21/x
  3. Step 3: Cross multiply
    479,476.75x = 661,687.04 × 264,612.21
  4. Step 4: Simplify right side
    479,476.75x = 175,090,469,982.76
  5. Step 5: Solve for x
    x = 175,090,469,982.76/479,476.75
  6. Step 6: Final answer
    x = 365,169.89

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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.