Home / 831,937.08-1,148,073.28-449,963.86

Finding the Fourth Proportional to 831,937.08, 1,148,073.28 and 449,963.86

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Solution

The fourth proportional to 831,937.08, 1,148,073.28 and 449,963.86 is: 620,950.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,937.08 : 1,148,073.28 = 449,963.86 : x
  2. Step 2: Convert to fraction form
    831,937.08/1,148,073.28 = 449,963.86/x
  3. Step 3: Cross multiply
    831,937.08x = 1,148,073.28 × 449,963.86
  4. Step 4: Simplify right side
    831,937.08x = 516,591,484,687.51
  5. Step 5: Solve for x
    x = 516,591,484,687.51/831,937.08
  6. Step 6: Final answer
    x = 620,950.19

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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.