Home / 729,445.80-1,091,544.30-493,249.80

Finding the Fourth Proportional to 729,445.80, 1,091,544.30 and 493,249.80

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Solution

The fourth proportional to 729,445.80, 1,091,544.30 and 493,249.80 is: 738,100.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,445.80 : 1,091,544.30 = 493,249.80 : x
  2. Step 2: Convert to fraction form
    729,445.80/1,091,544.30 = 493,249.80/x
  3. Step 3: Cross multiply
    729,445.80x = 1,091,544.30 × 493,249.80
  4. Step 4: Simplify right side
    729,445.80x = 538,404,007,666.14
  5. Step 5: Solve for x
    x = 538,404,007,666.14/729,445.80
  6. Step 6: Final answer
    x = 738,100.09

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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.