Home / 907,968.96-1,361,949.78-276,880.94

Finding the Fourth Proportional to 907,968.96, 1,361,949.78 and 276,880.94

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Solution

The fourth proportional to 907,968.96, 1,361,949.78 and 276,880.94 is: 415,320.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,968.96 : 1,361,949.78 = 276,880.94 : x
  2. Step 2: Convert to fraction form
    907,968.96/1,361,949.78 = 276,880.94/x
  3. Step 3: Cross multiply
    907,968.96x = 1,361,949.78 × 276,880.94
  4. Step 4: Simplify right side
    907,968.96x = 377,097,935,319.19
  5. Step 5: Solve for x
    x = 377,097,935,319.19/907,968.96
  6. Step 6: Final answer
    x = 415,320.29

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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.