Home / 939,868.68-1,410,043.32-308,787.96

Finding the Fourth Proportional to 939,868.68, 1,410,043.32 and 308,787.96

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Solution

The fourth proportional to 939,868.68, 1,410,043.32 and 308,787.96 is: 463,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,868.68 : 1,410,043.32 = 308,787.96 : x
  2. Step 2: Convert to fraction form
    939,868.68/1,410,043.32 = 308,787.96/x
  3. Step 3: Cross multiply
    939,868.68x = 1,410,043.32 × 308,787.96
  4. Step 4: Simplify right side
    939,868.68x = 435,404,400,294.43
  5. Step 5: Solve for x
    x = 435,404,400,294.43/939,868.68
  6. Step 6: Final answer
    x = 463,260.89

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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.