Home / 777,352.50-1,073,014.92-455,166.18

Finding the Fourth Proportional to 777,352.50, 1,073,014.92 and 455,166.18

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Solution

The fourth proportional to 777,352.50, 1,073,014.92 and 455,166.18 is: 628,286.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,352.50 : 1,073,014.92 = 455,166.18 : x
  2. Step 2: Convert to fraction form
    777,352.50/1,073,014.92 = 455,166.18/x
  3. Step 3: Cross multiply
    777,352.50x = 1,073,014.92 × 455,166.18
  4. Step 4: Simplify right side
    777,352.50x = 488,400,102,219.41
  5. Step 5: Solve for x
    x = 488,400,102,219.41/777,352.50
  6. Step 6: Final answer
    x = 628,286.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.