Home / 736,969.46-1,103,682.67-420,466.82

Finding the Fourth Proportional to 736,969.46, 1,103,682.67 and 420,466.82

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Solution

The fourth proportional to 736,969.46, 1,103,682.67 and 420,466.82 is: 629,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,969.46 : 1,103,682.67 = 420,466.82 : x
  2. Step 2: Convert to fraction form
    736,969.46/1,103,682.67 = 420,466.82/x
  3. Step 3: Cross multiply
    736,969.46x = 1,103,682.67 × 420,466.82
  4. Step 4: Simplify right side
    736,969.46x = 464,061,935,974.43
  5. Step 5: Solve for x
    x = 464,061,935,974.43/736,969.46
  6. Step 6: Final answer
    x = 629,689.51

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1.5x scale

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.