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Finding the Fourth Proportional to 604,656.80, 907,683.60 and 324,720.80

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Solution

The fourth proportional to 604,656.80, 907,683.60 and 324,720.80 is: 487,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,656.80 : 907,683.60 = 324,720.80 : x
  2. Step 2: Convert to fraction form
    604,656.80/907,683.60 = 324,720.80/x
  3. Step 3: Cross multiply
    604,656.80x = 907,683.60 × 324,720.80
  4. Step 4: Simplify right side
    604,656.80x = 294,743,744,738.88
  5. Step 5: Solve for x
    x = 294,743,744,738.88/604,656.80
  6. Step 6: Final answer
    x = 487,456.26

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Why These Related Problems?

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