Home / 831,827.76-1,147,925.77-449,854.54

Finding the Fourth Proportional to 831,827.76, 1,147,925.77 and 449,854.54

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Solution

The fourth proportional to 831,827.76, 1,147,925.77 and 449,854.54 is: 620,801.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,827.76 : 1,147,925.77 = 449,854.54 : x
  2. Step 2: Convert to fraction form
    831,827.76/1,147,925.77 = 449,854.54/x
  3. Step 3: Cross multiply
    831,827.76x = 1,147,925.77 × 449,854.54
  4. Step 4: Simplify right side
    831,827.76x = 516,399,619,217.50
  5. Step 5: Solve for x
    x = 516,399,619,217.50/831,827.76
  6. Step 6: Final answer
    x = 620,801.14

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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.