Home / 785,987.96-1,179,273.89-545,975.42

Finding the Fourth Proportional to 785,987.96, 1,179,273.89 and 545,975.42

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Solution

The fourth proportional to 785,987.96, 1,179,273.89 and 545,975.42 is: 819,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,987.96 : 1,179,273.89 = 545,975.42 : x
  2. Step 2: Convert to fraction form
    785,987.96/1,179,273.89 = 545,975.42/x
  3. Step 3: Cross multiply
    785,987.96x = 1,179,273.89 × 545,975.42
  4. Step 4: Simplify right side
    785,987.96x = 643,854,561,700.91
  5. Step 5: Solve for x
    x = 643,854,561,700.91/785,987.96
  6. Step 6: Final answer
    x = 819,165.93

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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.