Home / 902,355.25-1,245,131.62-539,646.61

Finding the Fourth Proportional to 902,355.25, 1,245,131.62 and 539,646.61

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Solution

The fourth proportional to 902,355.25, 1,245,131.62 and 539,646.61 is: 744,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,355.25 : 1,245,131.62 = 539,646.61 : x
  2. Step 2: Convert to fraction form
    902,355.25/1,245,131.62 = 539,646.61/x
  3. Step 3: Cross multiply
    902,355.25x = 1,245,131.62 × 539,646.61
  4. Step 4: Simplify right side
    902,355.25x = 671,931,057,736.81
  5. Step 5: Solve for x
    x = 671,931,057,736.81/902,355.25
  6. Step 6: Final answer
    x = 744,641.38

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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.