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Finding the Fourth Proportional to 544,525.80, 816,132.60 and 278,149.20

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Solution

The fourth proportional to 544,525.80, 816,132.60 and 278,149.20 is: 416,888.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,525.80 : 816,132.60 = 278,149.20 : x
  2. Step 2: Convert to fraction form
    544,525.80/816,132.60 = 278,149.20/x
  3. Step 3: Cross multiply
    544,525.80x = 816,132.60 × 278,149.20
  4. Step 4: Simplify right side
    544,525.80x = 227,006,629,783.92
  5. Step 5: Solve for x
    x = 227,006,629,783.92/544,525.80
  6. Step 6: Final answer
    x = 416,888.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.