Home / 646,546.22-892,303.85-356,187.53

Finding the Fourth Proportional to 646,546.22, 892,303.85 and 356,187.53

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Solution

The fourth proportional to 646,546.22, 892,303.85 and 356,187.53 is: 491,577.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,546.22 : 892,303.85 = 356,187.53 : x
  2. Step 2: Convert to fraction form
    646,546.22/892,303.85 = 356,187.53/x
  3. Step 3: Cross multiply
    646,546.22x = 892,303.85 × 356,187.53
  4. Step 4: Simplify right side
    646,546.22x = 317,827,504,340.99
  5. Step 5: Solve for x
    x = 317,827,504,340.99/646,546.22
  6. Step 6: Final answer
    x = 491,577.39

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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.