Home / 807,072.92-1,113,717.57-462,890.96

Finding the Fourth Proportional to 807,072.92, 1,113,717.57 and 462,890.96

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Solution

The fourth proportional to 807,072.92, 1,113,717.57 and 462,890.96 is: 638,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,072.92 : 1,113,717.57 = 462,890.96 : x
  2. Step 2: Convert to fraction form
    807,072.92/1,113,717.57 = 462,890.96/x
  3. Step 3: Cross multiply
    807,072.92x = 1,113,717.57 × 462,890.96
  4. Step 4: Simplify right side
    807,072.92x = 515,529,795,146.17
  5. Step 5: Solve for x
    x = 515,529,795,146.17/807,072.92
  6. Step 6: Final answer
    x = 638,764.83

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Double scale
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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.