Home / 436,900.40-654,510.98-267,928

Finding the Fourth Proportional to 436,900.40, 654,510.98 and 267,928

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Solution

The fourth proportional to 436,900.40, 654,510.98 and 267,928 is: 401,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,900.40 : 654,510.98 = 267,928 : x
  2. Step 2: Convert to fraction form
    436,900.40/654,510.98 = 267,928/x
  3. Step 3: Cross multiply
    436,900.40x = 654,510.98 × 267,928
  4. Step 4: Simplify right side
    436,900.40x = 175,361,817,849.44
  5. Step 5: Solve for x
    x = 175,361,817,849.44/436,900.40
  6. Step 6: Final answer
    x = 401,377.11

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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.