Home / 777,510.14-1,166,390.20-272,059.82

Finding the Fourth Proportional to 777,510.14, 1,166,390.20 and 272,059.82

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Solution

The fourth proportional to 777,510.14, 1,166,390.20 and 272,059.82 is: 408,133.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,510.14 : 1,166,390.20 = 272,059.82 : x
  2. Step 2: Convert to fraction form
    777,510.14/1,166,390.20 = 272,059.82/x
  3. Step 3: Cross multiply
    777,510.14x = 1,166,390.20 × 272,059.82
  4. Step 4: Simplify right side
    777,510.14x = 317,327,907,861.76
  5. Step 5: Solve for x
    x = 317,327,907,861.76/777,510.14
  6. Step 6: Final answer
    x = 408,133.47

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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.