Home / 831,827.84-1,147,925.87-449,854.61

Finding the Fourth Proportional to 831,827.84, 1,147,925.87 and 449,854.61

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Solution

The fourth proportional to 831,827.84, 1,147,925.87 and 449,854.61 is: 620,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,827.84 : 1,147,925.87 = 449,854.61 : x
  2. Step 2: Convert to fraction form
    831,827.84/1,147,925.87 = 449,854.61/x
  3. Step 3: Cross multiply
    831,827.84x = 1,147,925.87 × 449,854.61
  4. Step 4: Simplify right side
    831,827.84x = 516,399,745,178.30
  5. Step 5: Solve for x
    x = 516,399,745,178.30/831,827.84
  6. Step 6: Final answer
    x = 620,801.23

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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.