Home / 808,517.07-1,115,751.31-464,375.31

Finding the Fourth Proportional to 808,517.07, 1,115,751.31 and 464,375.31

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Solution

The fourth proportional to 808,517.07, 1,115,751.31 and 464,375.31 is: 640,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,517.07 : 1,115,751.31 = 464,375.31 : x
  2. Step 2: Convert to fraction form
    808,517.07/1,115,751.31 = 464,375.31/x
  3. Step 3: Cross multiply
    808,517.07x = 1,115,751.31 × 464,375.31
  4. Step 4: Simplify right side
    808,517.07x = 518,127,360,464.16
  5. Step 5: Solve for x
    x = 518,127,360,464.16/808,517.07
  6. Step 6: Final answer
    x = 640,836.64

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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.