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Finding the Fourth Proportional to 496,901.40, 745,352.10 and 395,424.60

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Solution

The fourth proportional to 496,901.40, 745,352.10 and 395,424.60 is: 593,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,901.40 : 745,352.10 = 395,424.60 : x
  2. Step 2: Convert to fraction form
    496,901.40/745,352.10 = 395,424.60/x
  3. Step 3: Cross multiply
    496,901.40x = 745,352.10 × 395,424.60
  4. Step 4: Simplify right side
    496,901.40x = 294,730,556,001.66
  5. Step 5: Solve for x
    x = 294,730,556,001.66/496,901.40
  6. Step 6: Final answer
    x = 593,136.90

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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.