Home / 809,456.19-1,117,050.96-446,880.64

Finding the Fourth Proportional to 809,456.19, 1,117,050.96 and 446,880.64

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Solution

The fourth proportional to 809,456.19, 1,117,050.96 and 446,880.64 is: 616,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,456.19 : 1,117,050.96 = 446,880.64 : x
  2. Step 2: Convert to fraction form
    809,456.19/1,117,050.96 = 446,880.64/x
  3. Step 3: Cross multiply
    809,456.19x = 1,117,050.96 × 446,880.64
  4. Step 4: Simplify right side
    809,456.19x = 499,188,445,124.79
  5. Step 5: Solve for x
    x = 499,188,445,124.79/809,456.19
  6. Step 6: Final answer
    x = 616,696.06

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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.