Home / 991,828.96-1,487,736.94-272,114.37

Finding the Fourth Proportional to 991,828.96, 1,487,736.94 and 272,114.37

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Solution

The fourth proportional to 991,828.96, 1,487,736.94 and 272,114.37 is: 408,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,828.96 : 1,487,736.94 = 272,114.37 : x
  2. Step 2: Convert to fraction form
    991,828.96/1,487,736.94 = 272,114.37/x
  3. Step 3: Cross multiply
    991,828.96x = 1,487,736.94 × 272,114.37
  4. Step 4: Simplify right side
    991,828.96x = 404,834,598,835.76
  5. Step 5: Solve for x
    x = 404,834,598,835.76/991,828.96
  6. Step 6: Final answer
    x = 408,169.77

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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.