Home / 917,843.94-1,376,558.01-349,022.25

Finding the Fourth Proportional to 917,843.94, 1,376,558.01 and 349,022.25

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Solution

The fourth proportional to 917,843.94, 1,376,558.01 and 349,022.25 is: 523,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,843.94 : 1,376,558.01 = 349,022.25 : x
  2. Step 2: Convert to fraction form
    917,843.94/1,376,558.01 = 349,022.25/x
  3. Step 3: Cross multiply
    917,843.94x = 1,376,558.01 × 349,022.25
  4. Step 4: Simplify right side
    917,843.94x = 480,449,373,905.72
  5. Step 5: Solve for x
    x = 480,449,373,905.72/917,843.94
  6. Step 6: Final answer
    x = 523,454.32

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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.