Home / 809,438.58-1,117,119.72-673,232.22

Finding the Fourth Proportional to 809,438.58, 1,117,119.72 and 673,232.22

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Solution

The fourth proportional to 809,438.58, 1,117,119.72 and 673,232.22 is: 929,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,438.58 : 1,117,119.72 = 673,232.22 : x
  2. Step 2: Convert to fraction form
    809,438.58/1,117,119.72 = 673,232.22/x
  3. Step 3: Cross multiply
    809,438.58x = 1,117,119.72 × 673,232.22
  4. Step 4: Simplify right side
    809,438.58x = 752,080,989,101.38
  5. Step 5: Solve for x
    x = 752,080,989,101.38/809,438.58
  6. Step 6: Final answer
    x = 929,139.04

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1.5x scale

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.