Home / 674,953.20-1,012,441.80-201,644.40

Finding the Fourth Proportional to 674,953.20, 1,012,441.80 and 201,644.40

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Solution

The fourth proportional to 674,953.20, 1,012,441.80 and 201,644.40 is: 302,470.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,953.20 : 1,012,441.80 = 201,644.40 : x
  2. Step 2: Convert to fraction form
    674,953.20/1,012,441.80 = 201,644.40/x
  3. Step 3: Cross multiply
    674,953.20x = 1,012,441.80 × 201,644.40
  4. Step 4: Simplify right side
    674,953.20x = 204,153,219,295.92
  5. Step 5: Solve for x
    x = 204,153,219,295.92/674,953.20
  6. Step 6: Final answer
    x = 302,470.19

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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.