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Finding the Fourth Proportional to 487,319.88, 730,609.38 and 337,161

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Solution

The fourth proportional to 487,319.88, 730,609.38 and 337,161 is: 505,485.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,319.88 : 730,609.38 = 337,161 : x
  2. Step 2: Convert to fraction form
    487,319.88/730,609.38 = 337,161/x
  3. Step 3: Cross multiply
    487,319.88x = 730,609.38 × 337,161
  4. Step 4: Simplify right side
    487,319.88x = 246,332,989,170.18
  5. Step 5: Solve for x
    x = 246,332,989,170.18/487,319.88
  6. Step 6: Final answer
    x = 505,485.20

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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.