Home / 819,283.44-1,130,744.32-492,926.31

Finding the Fourth Proportional to 819,283.44, 1,130,744.32 and 492,926.31

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Solution

The fourth proportional to 819,283.44, 1,130,744.32 and 492,926.31 is: 680,318.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,283.44 : 1,130,744.32 = 492,926.31 : x
  2. Step 2: Convert to fraction form
    819,283.44/1,130,744.32 = 492,926.31/x
  3. Step 3: Cross multiply
    819,283.44x = 1,130,744.32 × 492,926.31
  4. Step 4: Simplify right side
    819,283.44x = 557,373,622,746.43
  5. Step 5: Solve for x
    x = 557,373,622,746.43/819,283.44
  6. Step 6: Final answer
    x = 680,318.43

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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.