Home / 495,933.10-683,754.09-321,194.57

Finding the Fourth Proportional to 495,933.10, 683,754.09 and 321,194.57

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Solution

The fourth proportional to 495,933.10, 683,754.09 and 321,194.57 is: 442,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,933.10 : 683,754.09 = 321,194.57 : x
  2. Step 2: Convert to fraction form
    495,933.10/683,754.09 = 321,194.57/x
  3. Step 3: Cross multiply
    495,933.10x = 683,754.09 × 321,194.57
  4. Step 4: Simplify right side
    495,933.10x = 219,618,098,106.76
  5. Step 5: Solve for x
    x = 219,618,098,106.76/495,933.10
  6. Step 6: Final answer
    x = 442,838.16

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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.