Home / 719,536.64-1,079,116.80-213,961.52

Finding the Fourth Proportional to 719,536.64, 1,079,116.80 and 213,961.52

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Solution

The fourth proportional to 719,536.64, 1,079,116.80 and 213,961.52 is: 320,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,536.64 : 1,079,116.80 = 213,961.52 : x
  2. Step 2: Convert to fraction form
    719,536.64/1,079,116.80 = 213,961.52/x
  3. Step 3: Cross multiply
    719,536.64x = 1,079,116.80 × 213,961.52
  4. Step 4: Simplify right side
    719,536.64x = 230,889,470,785.54
  5. Step 5: Solve for x
    x = 230,889,470,785.54/719,536.64
  6. Step 6: Final answer
    x = 320,886.33

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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.