Home / 865,890.31-1,299,180.17-333,268.33

Finding the Fourth Proportional to 865,890.31, 1,299,180.17 and 333,268.33

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Solution

The fourth proportional to 865,890.31, 1,299,180.17 and 333,268.33 is: 500,035.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,890.31 : 1,299,180.17 = 333,268.33 : x
  2. Step 2: Convert to fraction form
    865,890.31/1,299,180.17 = 333,268.33/x
  3. Step 3: Cross multiply
    865,890.31x = 1,299,180.17 × 333,268.33
  4. Step 4: Simplify right side
    865,890.31x = 432,975,605,625.02
  5. Step 5: Solve for x
    x = 432,975,605,625.02/865,890.31
  6. Step 6: Final answer
    x = 500,035.17

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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.