Home / 686,256.66-1,029,417.84-331,569

Finding the Fourth Proportional to 686,256.66, 1,029,417.84 and 331,569

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Solution

The fourth proportional to 686,256.66, 1,029,417.84 and 331,569 is: 497,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,256.66 : 1,029,417.84 = 331,569 : x
  2. Step 2: Convert to fraction form
    686,256.66/1,029,417.84 = 331,569/x
  3. Step 3: Cross multiply
    686,256.66x = 1,029,417.84 × 331,569
  4. Step 4: Simplify right side
    686,256.66x = 341,323,043,790.96
  5. Step 5: Solve for x
    x = 341,323,043,790.96/686,256.66
  6. Step 6: Final answer
    x = 497,369.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.