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Finding the Fourth Proportional to 601,991.06, 830,743.26 and 330,054.47

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Solution

The fourth proportional to 601,991.06, 830,743.26 and 330,054.47 is: 455,472.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,991.06 : 830,743.26 = 330,054.47 : x
  2. Step 2: Convert to fraction form
    601,991.06/830,743.26 = 330,054.47/x
  3. Step 3: Cross multiply
    601,991.06x = 830,743.26 × 330,054.47
  4. Step 4: Simplify right side
    601,991.06x = 274,190,524,109.24
  5. Step 5: Solve for x
    x = 274,190,524,109.24/601,991.06
  6. Step 6: Final answer
    x = 455,472.75

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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.