Home / 674,505.20-1,011,890.64-201,180.08

Finding the Fourth Proportional to 674,505.20, 1,011,890.64 and 201,180.08

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Solution

The fourth proportional to 674,505.20, 1,011,890.64 and 201,180.08 is: 301,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,505.20 : 1,011,890.64 = 201,180.08 : x
  2. Step 2: Convert to fraction form
    674,505.20/1,011,890.64 = 201,180.08/x
  3. Step 3: Cross multiply
    674,505.20x = 1,011,890.64 × 201,180.08
  4. Step 4: Simplify right side
    674,505.20x = 203,572,239,906.45
  5. Step 5: Solve for x
    x = 203,572,239,906.45/674,505.20
  6. Step 6: Final answer
    x = 301,809.74

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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.