Home / 763,367.22-1,143,306.78-364,288.20

Finding the Fourth Proportional to 763,367.22, 1,143,306.78 and 364,288.20

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Solution

The fourth proportional to 763,367.22, 1,143,306.78 and 364,288.20 is: 545,600.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,367.22 : 1,143,306.78 = 364,288.20 : x
  2. Step 2: Convert to fraction form
    763,367.22/1,143,306.78 = 364,288.20/x
  3. Step 3: Cross multiply
    763,367.22x = 1,143,306.78 × 364,288.20
  4. Step 4: Simplify right side
    763,367.22x = 416,493,168,934.00
  5. Step 5: Solve for x
    x = 416,493,168,934.00/763,367.22
  6. Step 6: Final answer
    x = 545,600.02

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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.