Home / 646,917.06-892,751.57-356,538.98

Finding the Fourth Proportional to 646,917.06, 892,751.57 and 356,538.98

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Solution

The fourth proportional to 646,917.06, 892,751.57 and 356,538.98 is: 492,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,917.06 : 892,751.57 = 356,538.98 : x
  2. Step 2: Convert to fraction form
    646,917.06/892,751.57 = 356,538.98/x
  3. Step 3: Cross multiply
    646,917.06x = 892,751.57 × 356,538.98
  4. Step 4: Simplify right side
    646,917.06x = 318,300,737,952.94
  5. Step 5: Solve for x
    x = 318,300,737,952.94/646,917.06
  6. Step 6: Final answer
    x = 492,027.12

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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.