Home / 809,142.76-1,116,579.04-464,736.40

Finding the Fourth Proportional to 809,142.76, 1,116,579.04 and 464,736.40

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Solution

The fourth proportional to 809,142.76, 1,116,579.04 and 464,736.40 is: 641,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,142.76 : 1,116,579.04 = 464,736.40 : x
  2. Step 2: Convert to fraction form
    809,142.76/1,116,579.04 = 464,736.40/x
  3. Step 3: Cross multiply
    809,142.76x = 1,116,579.04 × 464,736.40
  4. Step 4: Simplify right side
    809,142.76x = 518,914,923,365.06
  5. Step 5: Solve for x
    x = 518,914,923,365.06/809,142.76
  6. Step 6: Final answer
    x = 641,314.42

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Double scale
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1.5x scale

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.