Home / 902,973.86-1,245,928.48-535,383.11

Finding the Fourth Proportional to 902,973.86, 1,245,928.48 and 535,383.11

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Solution

The fourth proportional to 902,973.86, 1,245,928.48 and 535,383.11 is: 738,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,973.86 : 1,245,928.48 = 535,383.11 : x
  2. Step 2: Convert to fraction form
    902,973.86/1,245,928.48 = 535,383.11/x
  3. Step 3: Cross multiply
    902,973.86x = 1,245,928.48 × 535,383.11
  4. Step 4: Simplify right side
    902,973.86x = 667,049,056,891.87
  5. Step 5: Solve for x
    x = 667,049,056,891.87/902,973.86
  6. Step 6: Final answer
    x = 738,724.66

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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.