Home / 476,884.80-658,158.24-286,003.20

Finding the Fourth Proportional to 476,884.80, 658,158.24 and 286,003.20

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Solution

The fourth proportional to 476,884.80, 658,158.24 and 286,003.20 is: 394,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,884.80 : 658,158.24 = 286,003.20 : x
  2. Step 2: Convert to fraction form
    476,884.80/658,158.24 = 286,003.20/x
  3. Step 3: Cross multiply
    476,884.80x = 658,158.24 × 286,003.20
  4. Step 4: Simplify right side
    476,884.80x = 188,235,362,746.37
  5. Step 5: Solve for x
    x = 188,235,362,746.37/476,884.80
  6. Step 6: Final answer
    x = 394,718.73

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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.