Home / 736,963.46-1,103,673.69-420,460.82

Finding the Fourth Proportional to 736,963.46, 1,103,673.69 and 420,460.82

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Solution

The fourth proportional to 736,963.46, 1,103,673.69 and 420,460.82 is: 629,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,963.46 : 1,103,673.69 = 420,460.82 : x
  2. Step 2: Convert to fraction form
    736,963.46/1,103,673.69 = 420,460.82/x
  3. Step 3: Cross multiply
    736,963.46x = 1,103,673.69 × 420,460.82
  4. Step 4: Simplify right side
    736,963.46x = 464,051,539,191.46
  5. Step 5: Solve for x
    x = 464,051,539,191.46/736,963.46
  6. Step 6: Final answer
    x = 629,680.53

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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.