Home / 997,986.60-1,497,177.18-323,942.76

Finding the Fourth Proportional to 997,986.60, 1,497,177.18 and 323,942.76

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Solution

The fourth proportional to 997,986.60, 1,497,177.18 and 323,942.76 is: 485,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,986.60 : 1,497,177.18 = 323,942.76 : x
  2. Step 2: Convert to fraction form
    997,986.60/1,497,177.18 = 323,942.76/x
  3. Step 3: Cross multiply
    997,986.60x = 1,497,177.18 × 323,942.76
  4. Step 4: Simplify right side
    997,986.60x = 484,999,707,898.22
  5. Step 5: Solve for x
    x = 484,999,707,898.22/997,986.60
  6. Step 6: Final answer
    x = 485,978.18

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Why These Related Problems?

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