Home / 940,310.79-1,410,564.60-309,273.81

Finding the Fourth Proportional to 940,310.79, 1,410,564.60 and 309,273.81

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Solution

The fourth proportional to 940,310.79, 1,410,564.60 and 309,273.81 is: 463,943.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,310.79 : 1,410,564.60 = 309,273.81 : x
  2. Step 2: Convert to fraction form
    940,310.79/1,410,564.60 = 309,273.81/x
  3. Step 3: Cross multiply
    940,310.79x = 1,410,564.60 × 309,273.81
  4. Step 4: Simplify right side
    940,310.79x = 436,250,688,093.13
  5. Step 5: Solve for x
    x = 436,250,688,093.13/940,310.79
  6. Step 6: Final answer
    x = 463,943.08

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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.