Home / 831,757.04-1,147,824.74-449,783.82

Finding the Fourth Proportional to 831,757.04, 1,147,824.74 and 449,783.82

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Solution

The fourth proportional to 831,757.04, 1,147,824.74 and 449,783.82 is: 620,701.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,757.04 : 1,147,824.74 = 449,783.82 : x
  2. Step 2: Convert to fraction form
    831,757.04/1,147,824.74 = 449,783.82/x
  3. Step 3: Cross multiply
    831,757.04x = 1,147,824.74 × 449,783.82
  4. Step 4: Simplify right side
    831,757.04x = 516,272,997,372.17
  5. Step 5: Solve for x
    x = 516,272,997,372.17/831,757.04
  6. Step 6: Final answer
    x = 620,701.69

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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.