Home / 662,500.28-993,541.25-213,120.96

Finding the Fourth Proportional to 662,500.28, 993,541.25 and 213,120.96

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Solution

The fourth proportional to 662,500.28, 993,541.25 and 213,120.96 is: 319,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,500.28 : 993,541.25 = 213,120.96 : x
  2. Step 2: Convert to fraction form
    662,500.28/993,541.25 = 213,120.96/x
  3. Step 3: Cross multiply
    662,500.28x = 993,541.25 × 213,120.96
  4. Step 4: Simplify right side
    662,500.28x = 211,744,463,934.00
  5. Step 5: Solve for x
    x = 211,744,463,934.00/662,500.28
  6. Step 6: Final answer
    x = 319,614.15

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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.