Home / 806,578.20-1,210,304.70-333,311.40

Finding the Fourth Proportional to 806,578.20, 1,210,304.70 and 333,311.40

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Solution

The fourth proportional to 806,578.20, 1,210,304.70 and 333,311.40 is: 500,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,578.20 : 1,210,304.70 = 333,311.40 : x
  2. Step 2: Convert to fraction form
    806,578.20/1,210,304.70 = 333,311.40/x
  3. Step 3: Cross multiply
    806,578.20x = 1,210,304.70 × 333,311.40
  4. Step 4: Simplify right side
    806,578.20x = 403,408,353,983.58
  5. Step 5: Solve for x
    x = 403,408,353,983.58/806,578.20
  6. Step 6: Final answer
    x = 500,147.85

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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.