Home / 649,883.20-973,512.60-369,072.40

Finding the Fourth Proportional to 649,883.20, 973,512.60 and 369,072.40

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Solution

The fourth proportional to 649,883.20, 973,512.60 and 369,072.40 is: 552,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,883.20 : 973,512.60 = 369,072.40 : x
  2. Step 2: Convert to fraction form
    649,883.20/973,512.60 = 369,072.40/x
  3. Step 3: Cross multiply
    649,883.20x = 973,512.60 × 369,072.40
  4. Step 4: Simplify right side
    649,883.20x = 359,296,631,712.24
  5. Step 5: Solve for x
    x = 359,296,631,712.24/649,883.20
  6. Step 6: Final answer
    x = 552,863.39

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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.