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Finding the Fourth Proportional to 923,625.60, 1,383,105.60 and 606,364.80

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Solution

The fourth proportional to 923,625.60, 1,383,105.60 and 606,364.80 is: 908,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,625.60 : 1,383,105.60 = 606,364.80 : x
  2. Step 2: Convert to fraction form
    923,625.60/1,383,105.60 = 606,364.80/x
  3. Step 3: Cross multiply
    923,625.60x = 1,383,105.60 × 606,364.80
  4. Step 4: Simplify right side
    923,625.60x = 838,666,550,522.88
  5. Step 5: Solve for x
    x = 838,666,550,522.88/923,625.60
  6. Step 6: Final answer
    x = 908,015.71

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1.5x scale

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.