Home / 674,930.20-1,012,407.30-201,621.40

Finding the Fourth Proportional to 674,930.20, 1,012,407.30 and 201,621.40

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Solution

The fourth proportional to 674,930.20, 1,012,407.30 and 201,621.40 is: 302,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,930.20 : 1,012,407.30 = 201,621.40 : x
  2. Step 2: Convert to fraction form
    674,930.20/1,012,407.30 = 201,621.40/x
  3. Step 3: Cross multiply
    674,930.20x = 1,012,407.30 × 201,621.40
  4. Step 4: Simplify right side
    674,930.20x = 204,122,977,196.22
  5. Step 5: Solve for x
    x = 204,122,977,196.22/674,930.20
  6. Step 6: Final answer
    x = 302,435.68

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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.