Home / 646,933.94-892,768.74-356,545.43

Finding the Fourth Proportional to 646,933.94, 892,768.74 and 356,545.43

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Solution

The fourth proportional to 646,933.94, 892,768.74 and 356,545.43 is: 492,032.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,933.94 : 892,768.74 = 356,545.43 : x
  2. Step 2: Convert to fraction form
    646,933.94/892,768.74 = 356,545.43/x
  3. Step 3: Cross multiply
    646,933.94x = 892,768.74 × 356,545.43
  4. Step 4: Simplify right side
    646,933.94x = 318,312,611,840.85
  5. Step 5: Solve for x
    x = 318,312,611,840.85/646,933.94
  6. Step 6: Final answer
    x = 492,032.64

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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.