Home / 727,440.22-1,003,898.79-405,150.46

Finding the Fourth Proportional to 727,440.22, 1,003,898.79 and 405,150.46

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Solution

The fourth proportional to 727,440.22, 1,003,898.79 and 405,150.46 is: 559,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,440.22 : 1,003,898.79 = 405,150.46 : x
  2. Step 2: Convert to fraction form
    727,440.22/1,003,898.79 = 405,150.46/x
  3. Step 3: Cross multiply
    727,440.22x = 1,003,898.79 × 405,150.46
  4. Step 4: Simplify right side
    727,440.22x = 406,730,056,561.94
  5. Step 5: Solve for x
    x = 406,730,056,561.94/727,440.22
  6. Step 6: Final answer
    x = 559,125.06

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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.