Home / 893,835.09-1,233,516.74-485,964.36

Finding the Fourth Proportional to 893,835.09, 1,233,516.74 and 485,964.36

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Solution

The fourth proportional to 893,835.09, 1,233,516.74 and 485,964.36 is: 670,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,835.09 : 1,233,516.74 = 485,964.36 : x
  2. Step 2: Convert to fraction form
    893,835.09/1,233,516.74 = 485,964.36/x
  3. Step 3: Cross multiply
    893,835.09x = 1,233,516.74 × 485,964.36
  4. Step 4: Simplify right side
    893,835.09x = 599,445,173,103.39
  5. Step 5: Solve for x
    x = 599,445,173,103.39/893,835.09
  6. Step 6: Final answer
    x = 670,644.04

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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.