Home / 747,628.30-1,121,333.10-215,093.80

Finding the Fourth Proportional to 747,628.30, 1,121,333.10 and 215,093.80

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Solution

The fourth proportional to 747,628.30, 1,121,333.10 and 215,093.80 is: 322,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,628.30 : 1,121,333.10 = 215,093.80 : x
  2. Step 2: Convert to fraction form
    747,628.30/1,121,333.10 = 215,093.80/x
  3. Step 3: Cross multiply
    747,628.30x = 1,121,333.10 × 215,093.80
  4. Step 4: Simplify right side
    747,628.30x = 241,191,797,544.78
  5. Step 5: Solve for x
    x = 241,191,797,544.78/747,628.30
  6. Step 6: Final answer
    x = 322,609.24

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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.