Home / 781,643.10-1,171,651.76-302,200.22

Finding the Fourth Proportional to 781,643.10, 1,171,651.76 and 302,200.22

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Solution

The fourth proportional to 781,643.10, 1,171,651.76 and 302,200.22 is: 452,986.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,643.10 : 1,171,651.76 = 302,200.22 : x
  2. Step 2: Convert to fraction form
    781,643.10/1,171,651.76 = 302,200.22/x
  3. Step 3: Cross multiply
    781,643.10x = 1,171,651.76 × 302,200.22
  4. Step 4: Simplify right side
    781,643.10x = 354,073,419,635.39
  5. Step 5: Solve for x
    x = 354,073,419,635.39/781,643.10
  6. Step 6: Final answer
    x = 452,986.05

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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.