Home / 476,902.80-658,183.08-286,021.20

Finding the Fourth Proportional to 476,902.80, 658,183.08 and 286,021.20

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Solution

The fourth proportional to 476,902.80, 658,183.08 and 286,021.20 is: 394,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,902.80 : 658,183.08 = 286,021.20 : x
  2. Step 2: Convert to fraction form
    476,902.80/658,183.08 = 286,021.20/x
  3. Step 3: Cross multiply
    476,902.80x = 658,183.08 × 286,021.20
  4. Step 4: Simplify right side
    476,902.80x = 188,254,314,361.30
  5. Step 5: Solve for x
    x = 188,254,314,361.30/476,902.80
  6. Step 6: Final answer
    x = 394,743.57

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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.