Home / 893,856.77-1,233,546.67-485,986.06

Finding the Fourth Proportional to 893,856.77, 1,233,546.67 and 485,986.06

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Solution

The fourth proportional to 893,856.77, 1,233,546.67 and 485,986.06 is: 670,673.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,856.77 : 1,233,546.67 = 485,986.06 : x
  2. Step 2: Convert to fraction form
    893,856.77/1,233,546.67 = 485,986.06/x
  3. Step 3: Cross multiply
    893,856.77x = 1,233,546.67 × 485,986.06
  4. Step 4: Simplify right side
    893,856.77x = 599,486,488,128.84
  5. Step 5: Solve for x
    x = 599,486,488,128.84/893,856.77
  6. Step 6: Final answer
    x = 670,673.99

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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.