Home / 674,642.75-1,012,139.39-201,328.11

Finding the Fourth Proportional to 674,642.75, 1,012,139.39 and 201,328.11

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Solution

The fourth proportional to 674,642.75, 1,012,139.39 and 201,328.11 is: 302,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,642.75 : 1,012,139.39 = 201,328.11 : x
  2. Step 2: Convert to fraction form
    674,642.75/1,012,139.39 = 201,328.11/x
  3. Step 3: Cross multiply
    674,642.75x = 1,012,139.39 × 201,328.11
  4. Step 4: Simplify right side
    674,642.75x = 203,772,109,438.61
  5. Step 5: Solve for x
    x = 203,772,109,438.61/674,642.75
  6. Step 6: Final answer
    x = 302,044.47

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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.