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Finding the Fourth Proportional to 495,379.80, 683,907.71 and 326,106

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Solution

The fourth proportional to 495,379.80, 683,907.71 and 326,106 is: 450,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,379.80 : 683,907.71 = 326,106 : x
  2. Step 2: Convert to fraction form
    495,379.80/683,907.71 = 326,106/x
  3. Step 3: Cross multiply
    495,379.80x = 683,907.71 × 326,106
  4. Step 4: Simplify right side
    495,379.80x = 223,026,406,046.73
  5. Step 5: Solve for x
    x = 223,026,406,046.73/495,379.80
  6. Step 6: Final answer
    x = 450,212.96

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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.