Home / 809,279.64-1,116,806.03-446,703.66

Finding the Fourth Proportional to 809,279.64, 1,116,806.03 and 446,703.66

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Solution

The fourth proportional to 809,279.64, 1,116,806.03 and 446,703.66 is: 616,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,279.64 : 1,116,806.03 = 446,703.66 : x
  2. Step 2: Convert to fraction form
    809,279.64/1,116,806.03 = 446,703.66/x
  3. Step 3: Cross multiply
    809,279.64x = 1,116,806.03 × 446,703.66
  4. Step 4: Simplify right side
    809,279.64x = 498,881,333,293.52
  5. Step 5: Solve for x
    x = 498,881,333,293.52/809,279.64
  6. Step 6: Final answer
    x = 616,451.11

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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.