Home / 740,889.22-1,111,204.66-208,283.64

Finding the Fourth Proportional to 740,889.22, 1,111,204.66 and 208,283.64

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Solution

The fourth proportional to 740,889.22, 1,111,204.66 and 208,283.64 is: 312,389.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,889.22 : 1,111,204.66 = 208,283.64 : x
  2. Step 2: Convert to fraction form
    740,889.22/1,111,204.66 = 208,283.64/x
  3. Step 3: Cross multiply
    740,889.22x = 1,111,204.66 × 208,283.64
  4. Step 4: Simplify right side
    740,889.22x = 231,445,751,369.76
  5. Step 5: Solve for x
    x = 231,445,751,369.76/740,889.22
  6. Step 6: Final answer
    x = 312,389.15

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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.