Home / 809,476.20-1,117,047.92-446,892.39

Finding the Fourth Proportional to 809,476.20, 1,117,047.92 and 446,892.39

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Solution

The fourth proportional to 809,476.20, 1,117,047.92 and 446,892.39 is: 616,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,476.20 : 1,117,047.92 = 446,892.39 : x
  2. Step 2: Convert to fraction form
    809,476.20/1,117,047.92 = 446,892.39/x
  3. Step 3: Cross multiply
    809,476.20x = 1,117,047.92 × 446,892.39
  4. Step 4: Simplify right side
    809,476.20x = 499,200,212,478.87
  5. Step 5: Solve for x
    x = 499,200,212,478.87/809,476.20
  6. Step 6: Final answer
    x = 616,695.35

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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.