Home / 465,495.04-642,456.12-274,529.44

Finding the Fourth Proportional to 465,495.04, 642,456.12 and 274,529.44

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Solution

The fourth proportional to 465,495.04, 642,456.12 and 274,529.44 is: 378,893.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,495.04 : 642,456.12 = 274,529.44 : x
  2. Step 2: Convert to fraction form
    465,495.04/642,456.12 = 274,529.44/x
  3. Step 3: Cross multiply
    465,495.04x = 642,456.12 × 274,529.44
  4. Step 4: Simplify right side
    465,495.04x = 176,373,118,848.17
  5. Step 5: Solve for x
    x = 176,373,118,848.17/465,495.04
  6. Step 6: Final answer
    x = 378,893.66

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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.