Home / 893,837.84-1,233,520.54-485,967.12

Finding the Fourth Proportional to 893,837.84, 1,233,520.54 and 485,967.12

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Solution

The fourth proportional to 893,837.84, 1,233,520.54 and 485,967.12 is: 670,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,837.84 : 1,233,520.54 = 485,967.12 : x
  2. Step 2: Convert to fraction form
    893,837.84/1,233,520.54 = 485,967.12/x
  3. Step 3: Cross multiply
    893,837.84x = 1,233,520.54 × 485,967.12
  4. Step 4: Simplify right side
    893,837.84x = 599,450,424,284.65
  5. Step 5: Solve for x
    x = 599,450,424,284.65/893,837.84
  6. Step 6: Final answer
    x = 670,647.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.