Home / 495,039.12-683,155.82-268,684.62

Finding the Fourth Proportional to 495,039.12, 683,155.82 and 268,684.62

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Solution

The fourth proportional to 495,039.12, 683,155.82 and 268,684.62 is: 370,785.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,039.12 : 683,155.82 = 268,684.62 : x
  2. Step 2: Convert to fraction form
    495,039.12/683,155.82 = 268,684.62/x
  3. Step 3: Cross multiply
    495,039.12x = 683,155.82 × 268,684.62
  4. Step 4: Simplify right side
    495,039.12x = 183,553,461,897.49
  5. Step 5: Solve for x
    x = 183,553,461,897.49/495,039.12
  6. Step 6: Final answer
    x = 370,785.77

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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.