Home / 579,808.52-800,136.70-321,677.36

Finding the Fourth Proportional to 579,808.52, 800,136.70 and 321,677.36

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Solution

The fourth proportional to 579,808.52, 800,136.70 and 321,677.36 is: 443,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,808.52 : 800,136.70 = 321,677.36 : x
  2. Step 2: Convert to fraction form
    579,808.52/800,136.70 = 321,677.36/x
  3. Step 3: Cross multiply
    579,808.52x = 800,136.70 × 321,677.36
  4. Step 4: Simplify right side
    579,808.52x = 257,385,861,295.11
  5. Step 5: Solve for x
    x = 257,385,861,295.11/579,808.52
  6. Step 6: Final answer
    x = 443,915.28

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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.