Home / 721,076.74-1,081,532.47-188,649.16

Finding the Fourth Proportional to 721,076.74, 1,081,532.47 and 188,649.16

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Solution

The fourth proportional to 721,076.74, 1,081,532.47 and 188,649.16 is: 282,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,076.74 : 1,081,532.47 = 188,649.16 : x
  2. Step 2: Convert to fraction form
    721,076.74/1,081,532.47 = 188,649.16/x
  3. Step 3: Cross multiply
    721,076.74x = 1,081,532.47 × 188,649.16
  4. Step 4: Simplify right side
    721,076.74x = 204,030,191,978.23
  5. Step 5: Solve for x
    x = 204,030,191,978.23/721,076.74
  6. Step 6: Final answer
    x = 282,952.12

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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.