Home / 893,831.33-1,233,511.56-485,960.61

Finding the Fourth Proportional to 893,831.33, 1,233,511.56 and 485,960.61

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Solution

The fourth proportional to 893,831.33, 1,233,511.56 and 485,960.61 is: 670,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,831.33 : 1,233,511.56 = 485,960.61 : x
  2. Step 2: Convert to fraction form
    893,831.33/1,233,511.56 = 485,960.61/x
  3. Step 3: Cross multiply
    893,831.33x = 1,233,511.56 × 485,960.61
  4. Step 4: Simplify right side
    893,831.33x = 599,438,030,139.65
  5. Step 5: Solve for x
    x = 599,438,030,139.65/893,831.33
  6. Step 6: Final answer
    x = 670,638.87

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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.