Home / 806,985.20-1,210,040.40-333,135.20

Finding the Fourth Proportional to 806,985.20, 1,210,040.40 and 333,135.20

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Solution

The fourth proportional to 806,985.20, 1,210,040.40 and 333,135.20 is: 499,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,985.20 : 1,210,040.40 = 333,135.20 : x
  2. Step 2: Convert to fraction form
    806,985.20/1,210,040.40 = 333,135.20/x
  3. Step 3: Cross multiply
    806,985.20x = 1,210,040.40 × 333,135.20
  4. Step 4: Simplify right side
    806,985.20x = 403,107,050,662.08
  5. Step 5: Solve for x
    x = 403,107,050,662.08/806,985.20
  6. Step 6: Final answer
    x = 499,522.23

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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.