Home / 809,456.57-1,117,051.49-446,881.02

Finding the Fourth Proportional to 809,456.57, 1,117,051.49 and 446,881.02

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Solution

The fourth proportional to 809,456.57, 1,117,051.49 and 446,881.02 is: 616,696.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,456.57 : 1,117,051.49 = 446,881.02 : x
  2. Step 2: Convert to fraction form
    809,456.57/1,117,051.49 = 446,881.02/x
  3. Step 3: Cross multiply
    809,456.57x = 1,117,051.49 × 446,881.02
  4. Step 4: Simplify right side
    809,456.57x = 499,189,107,009.32
  5. Step 5: Solve for x
    x = 499,189,107,009.32/809,456.57
  6. Step 6: Final answer
    x = 616,696.59

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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.