Home / 806,965.20-1,210,010.40-333,115.20

Finding the Fourth Proportional to 806,965.20, 1,210,010.40 and 333,115.20

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Solution

The fourth proportional to 806,965.20, 1,210,010.40 and 333,115.20 is: 499,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,965.20 : 1,210,010.40 = 333,115.20 : x
  2. Step 2: Convert to fraction form
    806,965.20/1,210,010.40 = 333,115.20/x
  3. Step 3: Cross multiply
    806,965.20x = 1,210,010.40 × 333,115.20
  4. Step 4: Simplify right side
    806,965.20x = 403,072,856,398.08
  5. Step 5: Solve for x
    x = 403,072,856,398.08/806,965.20
  6. Step 6: Final answer
    x = 499,492.24

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1.5x scale

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.