Home / 681,309.66-1,021,000.83-377,838.12

Finding the Fourth Proportional to 681,309.66, 1,021,000.83 and 377,838.12

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Solution

The fourth proportional to 681,309.66, 1,021,000.83 and 377,838.12 is: 566,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,309.66 : 1,021,000.83 = 377,838.12 : x
  2. Step 2: Convert to fraction form
    681,309.66/1,021,000.83 = 377,838.12/x
  3. Step 3: Cross multiply
    681,309.66x = 1,021,000.83 × 377,838.12
  4. Step 4: Simplify right side
    681,309.66x = 385,773,034,125.64
  5. Step 5: Solve for x
    x = 385,773,034,125.64/681,309.66
  6. Step 6: Final answer
    x = 566,222.76

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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.