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Finding the Fourth Proportional to 492,405.80, 738,608.70 and 492,405.80

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Solution

The fourth proportional to 492,405.80, 738,608.70 and 492,405.80 is: 738,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,405.80 : 738,608.70 = 492,405.80 : x
  2. Step 2: Convert to fraction form
    492,405.80/738,608.70 = 492,405.80/x
  3. Step 3: Cross multiply
    492,405.80x = 738,608.70 × 492,405.80
  4. Step 4: Simplify right side
    492,405.80x = 363,695,207,810.46
  5. Step 5: Solve for x
    x = 363,695,207,810.46/492,405.80
  6. Step 6: Final answer
    x = 738,608.70

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