Home / 790,933.07-1,186,026.91-285,428.07

Finding the Fourth Proportional to 790,933.07, 1,186,026.91 and 285,428.07

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Solution

The fourth proportional to 790,933.07, 1,186,026.91 and 285,428.07 is: 428,007.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,933.07 : 1,186,026.91 = 285,428.07 : x
  2. Step 2: Convert to fraction form
    790,933.07/1,186,026.91 = 285,428.07/x
  3. Step 3: Cross multiply
    790,933.07x = 1,186,026.91 × 285,428.07
  4. Step 4: Simplify right side
    790,933.07x = 338,525,371,175.79
  5. Step 5: Solve for x
    x = 338,525,371,175.79/790,933.07
  6. Step 6: Final answer
    x = 428,007.61

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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.