Home / 902,224.32-1,242,228.32-765,988.80

Finding the Fourth Proportional to 902,224.32, 1,242,228.32 and 765,988.80

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Solution

The fourth proportional to 902,224.32, 1,242,228.32 and 765,988.80 is: 1,054,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,224.32 : 1,242,228.32 = 765,988.80 : x
  2. Step 2: Convert to fraction form
    902,224.32/1,242,228.32 = 765,988.80/x
  3. Step 3: Cross multiply
    902,224.32x = 1,242,228.32 × 765,988.80
  4. Step 4: Simplify right side
    902,224.32x = 951,532,980,162.82
  5. Step 5: Solve for x
    x = 951,532,980,162.82/902,224.32
  6. Step 6: Final answer
    x = 1,054,652.33

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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.