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Finding the Fourth Proportional to 659,410.26, 909,986.67 and 357,604.26

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Solution

The fourth proportional to 659,410.26, 909,986.67 and 357,604.26 is: 493,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,410.26 : 909,986.67 = 357,604.26 : x
  2. Step 2: Convert to fraction form
    659,410.26/909,986.67 = 357,604.26/x
  3. Step 3: Cross multiply
    659,410.26x = 909,986.67 × 357,604.26
  4. Step 4: Simplify right side
    659,410.26x = 325,415,109,735.21
  5. Step 5: Solve for x
    x = 325,415,109,735.21/659,410.26
  6. Step 6: Final answer
    x = 493,494.16

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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.