Home / 889,269.82-1,333,087.34-320,511.71

Finding the Fourth Proportional to 889,269.82, 1,333,087.34 and 320,511.71

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Solution

The fourth proportional to 889,269.82, 1,333,087.34 and 320,511.71 is: 480,472.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,269.82 : 1,333,087.34 = 320,511.71 : x
  2. Step 2: Convert to fraction form
    889,269.82/1,333,087.34 = 320,511.71/x
  3. Step 3: Cross multiply
    889,269.82x = 1,333,087.34 × 320,511.71
  4. Step 4: Simplify right side
    889,269.82x = 427,270,104,652.91
  5. Step 5: Solve for x
    x = 427,270,104,652.91/889,269.82
  6. Step 6: Final answer
    x = 480,472.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.