Home / 646,922.33-892,758.85-356,544.28

Finding the Fourth Proportional to 646,922.33, 892,758.85 and 356,544.28

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Solution

The fourth proportional to 646,922.33, 892,758.85 and 356,544.28 is: 492,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,922.33 : 892,758.85 = 356,544.28 : x
  2. Step 2: Convert to fraction form
    646,922.33/892,758.85 = 356,544.28/x
  3. Step 3: Cross multiply
    646,922.33x = 892,758.85 × 356,544.28
  4. Step 4: Simplify right side
    646,922.33x = 318,308,061,611.47
  5. Step 5: Solve for x
    x = 318,308,061,611.47/646,922.33
  6. Step 6: Final answer
    x = 492,034.43

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1.5x scale

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.