Home / 560,028.20-839,945.10-204,859.40

Finding the Fourth Proportional to 560,028.20, 839,945.10 and 204,859.40

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Solution

The fourth proportional to 560,028.20, 839,945.10 and 204,859.40 is: 307,253.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,028.20 : 839,945.10 = 204,859.40 : x
  2. Step 2: Convert to fraction form
    560,028.20/839,945.10 = 204,859.40/x
  3. Step 3: Cross multiply
    560,028.20x = 839,945.10 × 204,859.40
  4. Step 4: Simplify right side
    560,028.20x = 172,070,649,218.94
  5. Step 5: Solve for x
    x = 172,070,649,218.94/560,028.20
  6. Step 6: Final answer
    x = 307,253.54

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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.