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Finding the Fourth Proportional to 590,475.20, 884,805.60 and 440,009.60

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Solution

The fourth proportional to 590,475.20, 884,805.60 and 440,009.60 is: 659,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,475.20 : 884,805.60 = 440,009.60 : x
  2. Step 2: Convert to fraction form
    590,475.20/884,805.60 = 440,009.60/x
  3. Step 3: Cross multiply
    590,475.20x = 884,805.60 × 440,009.60
  4. Step 4: Simplify right side
    590,475.20x = 389,322,958,133.76
  5. Step 5: Solve for x
    x = 389,322,958,133.76/590,475.20
  6. Step 6: Final answer
    x = 659,338.37

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.