Home / 739,023.88-1,108,538.14-206,541.40

Finding the Fourth Proportional to 739,023.88, 1,108,538.14 and 206,541.40

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Solution

The fourth proportional to 739,023.88, 1,108,538.14 and 206,541.40 is: 309,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,023.88 : 1,108,538.14 = 206,541.40 : x
  2. Step 2: Convert to fraction form
    739,023.88/1,108,538.14 = 206,541.40/x
  3. Step 3: Cross multiply
    739,023.88x = 1,108,538.14 × 206,541.40
  4. Step 4: Simplify right side
    739,023.88x = 228,959,019,389.00
  5. Step 5: Solve for x
    x = 228,959,019,389.00/739,023.88
  6. Step 6: Final answer
    x = 309,812.75

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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.