Home / 739,018.88-1,108,530.64-206,536.40

Finding the Fourth Proportional to 739,018.88, 1,108,530.64 and 206,536.40

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Solution

The fourth proportional to 739,018.88, 1,108,530.64 and 206,536.40 is: 309,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,018.88 : 1,108,530.64 = 206,536.40 : x
  2. Step 2: Convert to fraction form
    739,018.88/1,108,530.64 = 206,536.40/x
  3. Step 3: Cross multiply
    739,018.88x = 1,108,530.64 × 206,536.40
  4. Step 4: Simplify right side
    739,018.88x = 228,951,927,675.30
  5. Step 5: Solve for x
    x = 228,951,927,675.30/739,018.88
  6. Step 6: Final answer
    x = 309,805.25

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1.5x scale

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.