Home / 809,296.68-1,116,829.56-446,720.70

Finding the Fourth Proportional to 809,296.68, 1,116,829.56 and 446,720.70

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Solution

The fourth proportional to 809,296.68, 1,116,829.56 and 446,720.70 is: 616,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,296.68 : 1,116,829.56 = 446,720.70 : x
  2. Step 2: Convert to fraction form
    809,296.68/1,116,829.56 = 446,720.70/x
  3. Step 3: Cross multiply
    809,296.68x = 1,116,829.56 × 446,720.70
  4. Step 4: Simplify right side
    809,296.68x = 498,910,882,823.89
  5. Step 5: Solve for x
    x = 498,910,882,823.89/809,296.68
  6. Step 6: Final answer
    x = 616,474.64

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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.