Home / 727,608.02-1,004,129.32-405,318.03

Finding the Fourth Proportional to 727,608.02, 1,004,129.32 and 405,318.03

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Solution

The fourth proportional to 727,608.02, 1,004,129.32 and 405,318.03 is: 559,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,608.02 : 1,004,129.32 = 405,318.03 : x
  2. Step 2: Convert to fraction form
    727,608.02/1,004,129.32 = 405,318.03/x
  3. Step 3: Cross multiply
    727,608.02x = 1,004,129.32 × 405,318.03
  4. Step 4: Simplify right side
    727,608.02x = 406,991,717,847.64
  5. Step 5: Solve for x
    x = 406,991,717,847.64/727,608.02
  6. Step 6: Final answer
    x = 559,355.73

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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.