Home / 751,121.29-1,126,866.62-218,646.93

Finding the Fourth Proportional to 751,121.29, 1,126,866.62 and 218,646.93

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Solution

The fourth proportional to 751,121.29, 1,126,866.62 and 218,646.93 is: 328,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,121.29 : 1,126,866.62 = 218,646.93 : x
  2. Step 2: Convert to fraction form
    751,121.29/1,126,866.62 = 218,646.93/x
  3. Step 3: Cross multiply
    751,121.29x = 1,126,866.62 × 218,646.93
  4. Step 4: Simplify right side
    751,121.29x = 246,385,926,982.48
  5. Step 5: Solve for x
    x = 246,385,926,982.48/751,121.29
  6. Step 6: Final answer
    x = 328,024.16

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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.