Home / 679,529.32-1,019,300.12-206,214.66

Finding the Fourth Proportional to 679,529.32, 1,019,300.12 and 206,214.66

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Solution

The fourth proportional to 679,529.32, 1,019,300.12 and 206,214.66 is: 309,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,529.32 : 1,019,300.12 = 206,214.66 : x
  2. Step 2: Convert to fraction form
    679,529.32/1,019,300.12 = 206,214.66/x
  3. Step 3: Cross multiply
    679,529.32x = 1,019,300.12 × 206,214.66
  4. Step 4: Simplify right side
    679,529.32x = 210,194,627,425.99
  5. Step 5: Solve for x
    x = 210,194,627,425.99/679,529.32
  6. Step 6: Final answer
    x = 309,323.85

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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.