Home / 777,076.47-1,164,635.67-416,352.69

Finding the Fourth Proportional to 777,076.47, 1,164,635.67 and 416,352.69

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Solution

The fourth proportional to 777,076.47, 1,164,635.67 and 416,352.69 is: 624,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,076.47 : 1,164,635.67 = 416,352.69 : x
  2. Step 2: Convert to fraction form
    777,076.47/1,164,635.67 = 416,352.69/x
  3. Step 3: Cross multiply
    777,076.47x = 1,164,635.67 × 416,352.69
  4. Step 4: Simplify right side
    777,076.47x = 484,899,194,074.45
  5. Step 5: Solve for x
    x = 484,899,194,074.45/777,076.47
  6. Step 6: Final answer
    x = 624,004.47

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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.