Home / 482,863.29-666,383.18-278,922.80

Finding the Fourth Proportional to 482,863.29, 666,383.18 and 278,922.80

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Solution

The fourth proportional to 482,863.29, 666,383.18 and 278,922.80 is: 384,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,863.29 : 666,383.18 = 278,922.80 : x
  2. Step 2: Convert to fraction form
    482,863.29/666,383.18 = 278,922.80/x
  3. Step 3: Cross multiply
    482,863.29x = 666,383.18 × 278,922.80
  4. Step 4: Simplify right side
    482,863.29x = 185,869,462,438.50
  5. Step 5: Solve for x
    x = 185,869,462,438.50/482,863.29
  6. Step 6: Final answer
    x = 384,931.86

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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.