Home / 727,090.29-1,091,133.75-253,775.64

Finding the Fourth Proportional to 727,090.29, 1,091,133.75 and 253,775.64

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Solution

The fourth proportional to 727,090.29, 1,091,133.75 and 253,775.64 is: 380,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,090.29 : 1,091,133.75 = 253,775.64 : x
  2. Step 2: Convert to fraction form
    727,090.29/1,091,133.75 = 253,775.64/x
  3. Step 3: Cross multiply
    727,090.29x = 1,091,133.75 × 253,775.64
  4. Step 4: Simplify right side
    727,090.29x = 276,903,165,731.85
  5. Step 5: Solve for x
    x = 276,903,165,731.85/727,090.29
  6. Step 6: Final answer
    x = 380,837.39

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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.