Home / 709,108.36-1,063,500.32-203,665.32

Finding the Fourth Proportional to 709,108.36, 1,063,500.32 and 203,665.32

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Solution

The fourth proportional to 709,108.36, 1,063,500.32 and 203,665.32 is: 305,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,108.36 : 1,063,500.32 = 203,665.32 : x
  2. Step 2: Convert to fraction form
    709,108.36/1,063,500.32 = 203,665.32/x
  3. Step 3: Cross multiply
    709,108.36x = 1,063,500.32 × 203,665.32
  4. Step 4: Simplify right side
    709,108.36x = 216,598,132,992.90
  5. Step 5: Solve for x
    x = 216,598,132,992.90/709,108.36
  6. Step 6: Final answer
    x = 305,451.39

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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.