Home / 674,997.20-1,012,507.80-201,688.40

Finding the Fourth Proportional to 674,997.20, 1,012,507.80 and 201,688.40

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Solution

The fourth proportional to 674,997.20, 1,012,507.80 and 201,688.40 is: 302,536.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,997.20 : 1,012,507.80 = 201,688.40 : x
  2. Step 2: Convert to fraction form
    674,997.20/1,012,507.80 = 201,688.40/x
  3. Step 3: Cross multiply
    674,997.20x = 1,012,507.80 × 201,688.40
  4. Step 4: Simplify right side
    674,997.20x = 204,211,078,169.52
  5. Step 5: Solve for x
    x = 204,211,078,169.52/674,997.20
  6. Step 6: Final answer
    x = 302,536.19

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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.