Home / 831,828.64-1,147,395.22-545,367.28

Finding the Fourth Proportional to 831,828.64, 1,147,395.22 and 545,367.28

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Solution

The fourth proportional to 831,828.64, 1,147,395.22 and 545,367.28 is: 752,260.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,828.64 : 1,147,395.22 = 545,367.28 : x
  2. Step 2: Convert to fraction form
    831,828.64/1,147,395.22 = 545,367.28/x
  3. Step 3: Cross multiply
    831,828.64x = 1,147,395.22 × 545,367.28
  4. Step 4: Simplify right side
    831,828.64x = 625,751,810,216.40
  5. Step 5: Solve for x
    x = 625,751,810,216.40/831,828.64
  6. Step 6: Final answer
    x = 752,260.48

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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.