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Finding the Fourth Proportional to 609,278.86, 840,831.07 and 337,346.72

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Solution

The fourth proportional to 609,278.86, 840,831.07 and 337,346.72 is: 465,553.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,278.86 : 840,831.07 = 337,346.72 : x
  2. Step 2: Convert to fraction form
    609,278.86/840,831.07 = 337,346.72/x
  3. Step 3: Cross multiply
    609,278.86x = 840,831.07 × 337,346.72
  4. Step 4: Simplify right side
    609,278.86x = 283,651,600,860.66
  5. Step 5: Solve for x
    x = 283,651,600,860.66/609,278.86
  6. Step 6: Final answer
    x = 465,553.00

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1.5x scale

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.