Home / 767,812.76-1,151,940.48-235,412.36

Finding the Fourth Proportional to 767,812.76, 1,151,940.48 and 235,412.36

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Solution

The fourth proportional to 767,812.76, 1,151,940.48 and 235,412.36 is: 353,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,812.76 : 1,151,940.48 = 235,412.36 : x
  2. Step 2: Convert to fraction form
    767,812.76/1,151,940.48 = 235,412.36/x
  3. Step 3: Cross multiply
    767,812.76x = 1,151,940.48 × 235,412.36
  4. Step 4: Simplify right side
    767,812.76x = 271,181,026,976.33
  5. Step 5: Solve for x
    x = 271,181,026,976.33/767,812.76
  6. Step 6: Final answer
    x = 353,186.40

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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.