Home / 777,425.94-1,163,505.60-478,096.38

Finding the Fourth Proportional to 777,425.94, 1,163,505.60 and 478,096.38

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Solution

The fourth proportional to 777,425.94, 1,163,505.60 and 478,096.38 is: 715,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,425.94 : 1,163,505.60 = 478,096.38 : x
  2. Step 2: Convert to fraction form
    777,425.94/1,163,505.60 = 478,096.38/x
  3. Step 3: Cross multiply
    777,425.94x = 1,163,505.60 × 478,096.38
  4. Step 4: Simplify right side
    777,425.94x = 556,267,815,469.73
  5. Step 5: Solve for x
    x = 556,267,815,469.73/777,425.94
  6. Step 6: Final answer
    x = 715,525.15

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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.