Home / 809,531.92-1,117,155.54-446,956.48

Finding the Fourth Proportional to 809,531.92, 1,117,155.54 and 446,956.48

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Solution

The fourth proportional to 809,531.92, 1,117,155.54 and 446,956.48 is: 616,800.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,531.92 : 1,117,155.54 = 446,956.48 : x
  2. Step 2: Convert to fraction form
    809,531.92/1,117,155.54 = 446,956.48/x
  3. Step 3: Cross multiply
    809,531.92x = 1,117,155.54 × 446,956.48
  4. Step 4: Simplify right side
    809,531.92x = 499,319,907,770.90
  5. Step 5: Solve for x
    x = 499,319,907,770.90/809,531.92
  6. Step 6: Final answer
    x = 616,800.77

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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.