Home / 747,453.20-1,121,529.72-326,674.40

Finding the Fourth Proportional to 747,453.20, 1,121,529.72 and 326,674.40

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Solution

The fourth proportional to 747,453.20, 1,121,529.72 and 326,674.40 is: 490,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,453.20 : 1,121,529.72 = 326,674.40 : x
  2. Step 2: Convert to fraction form
    747,453.20/1,121,529.72 = 326,674.40/x
  3. Step 3: Cross multiply
    747,453.20x = 1,121,529.72 × 326,674.40
  4. Step 4: Simplify right side
    747,453.20x = 366,375,048,363.17
  5. Step 5: Solve for x
    x = 366,375,048,363.17/747,453.20
  6. Step 6: Final answer
    x = 490,164.53

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