Home / 831,833.15-1,147,924.71-449,859.02

Finding the Fourth Proportional to 831,833.15, 1,147,924.71 and 449,859.02

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Solution

The fourth proportional to 831,833.15, 1,147,924.71 and 449,859.02 is: 620,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,833.15 : 1,147,924.71 = 449,859.02 : x
  2. Step 2: Convert to fraction form
    831,833.15/1,147,924.71 = 449,859.02/x
  3. Step 3: Cross multiply
    831,833.15x = 1,147,924.71 × 449,859.02
  4. Step 4: Simplify right side
    831,833.15x = 516,404,279,334.76
  5. Step 5: Solve for x
    x = 516,404,279,334.76/831,833.15
  6. Step 6: Final answer
    x = 620,802.72

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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.