Home / 764,375.94-1,055,132.73-509,634.18

Finding the Fourth Proportional to 764,375.94, 1,055,132.73 and 509,634.18

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Solution

The fourth proportional to 764,375.94, 1,055,132.73 and 509,634.18 is: 703,491.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,375.94 : 1,055,132.73 = 509,634.18 : x
  2. Step 2: Convert to fraction form
    764,375.94/1,055,132.73 = 509,634.18/x
  3. Step 3: Cross multiply
    764,375.94x = 1,055,132.73 × 509,634.18
  4. Step 4: Simplify right side
    764,375.94x = 537,731,703,644.71
  5. Step 5: Solve for x
    x = 537,731,703,644.71/764,375.94
  6. Step 6: Final answer
    x = 703,491.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.