Home / 933,387.37-1,287,975.97-525,481.80

Finding the Fourth Proportional to 933,387.37, 1,287,975.97 and 525,481.80

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Solution

The fourth proportional to 933,387.37, 1,287,975.97 and 525,481.80 is: 725,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,387.37 : 1,287,975.97 = 525,481.80 : x
  2. Step 2: Convert to fraction form
    933,387.37/1,287,975.97 = 525,481.80/x
  3. Step 3: Cross multiply
    933,387.37x = 1,287,975.97 × 525,481.80
  4. Step 4: Simplify right side
    933,387.37x = 676,807,926,899.29
  5. Step 5: Solve for x
    x = 676,807,926,899.29/933,387.37
  6. Step 6: Final answer
    x = 725,109.37

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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.