Home / 727,402.46-1,003,846.50-405,112.50

Finding the Fourth Proportional to 727,402.46, 1,003,846.50 and 405,112.50

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Solution

The fourth proportional to 727,402.46, 1,003,846.50 and 405,112.50 is: 559,072.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,402.46 : 1,003,846.50 = 405,112.50 : x
  2. Step 2: Convert to fraction form
    727,402.46/1,003,846.50 = 405,112.50/x
  3. Step 3: Cross multiply
    727,402.46x = 1,003,846.50 × 405,112.50
  4. Step 4: Simplify right side
    727,402.46x = 406,670,765,231.25
  5. Step 5: Solve for x
    x = 406,670,765,231.25/727,402.46
  6. Step 6: Final answer
    x = 559,072.58

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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.