Home / 831,826.64-1,147,392.46-545,365.28

Finding the Fourth Proportional to 831,826.64, 1,147,392.46 and 545,365.28

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Solution

The fourth proportional to 831,826.64, 1,147,392.46 and 545,365.28 is: 752,257.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,826.64 : 1,147,392.46 = 545,365.28 : x
  2. Step 2: Convert to fraction form
    831,826.64/1,147,392.46 = 545,365.28/x
  3. Step 3: Cross multiply
    831,826.64x = 1,147,392.46 × 545,365.28
  4. Step 4: Simplify right side
    831,826.64x = 625,748,010,217.79
  5. Step 5: Solve for x
    x = 625,748,010,217.79/831,826.64
  6. Step 6: Final answer
    x = 752,257.72

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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.