Home / 907,858.86-1,252,787.49-545,298

Finding the Fourth Proportional to 907,858.86, 1,252,787.49 and 545,298

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Solution

The fourth proportional to 907,858.86, 1,252,787.49 and 545,298 is: 752,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,858.86 : 1,252,787.49 = 545,298 : x
  2. Step 2: Convert to fraction form
    907,858.86/1,252,787.49 = 545,298/x
  3. Step 3: Cross multiply
    907,858.86x = 1,252,787.49 × 545,298
  4. Step 4: Simplify right side
    907,858.86x = 683,142,512,722.02
  5. Step 5: Solve for x
    x = 683,142,512,722.02/907,858.86
  6. Step 6: Final answer
    x = 752,476.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.