Home / 646,997.96-892,845.12-360,511.94

Finding the Fourth Proportional to 646,997.96, 892,845.12 and 360,511.94

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Solution

The fourth proportional to 646,997.96, 892,845.12 and 360,511.94 is: 497,499.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,997.96 : 892,845.12 = 360,511.94 : x
  2. Step 2: Convert to fraction form
    646,997.96/892,845.12 = 360,511.94/x
  3. Step 3: Cross multiply
    646,997.96x = 892,845.12 × 360,511.94
  4. Step 4: Simplify right side
    646,997.96x = 321,881,326,330.73
  5. Step 5: Solve for x
    x = 321,881,326,330.73/646,997.96
  6. Step 6: Final answer
    x = 497,499.75

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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.