Home / 755,047.36-1,131,783.74-306,078.16

Finding the Fourth Proportional to 755,047.36, 1,131,783.74 and 306,078.16

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Solution

The fourth proportional to 755,047.36, 1,131,783.74 and 306,078.16 is: 458,798.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,047.36 : 1,131,783.74 = 306,078.16 : x
  2. Step 2: Convert to fraction form
    755,047.36/1,131,783.74 = 306,078.16/x
  3. Step 3: Cross multiply
    755,047.36x = 1,131,783.74 × 306,078.16
  4. Step 4: Simplify right side
    755,047.36x = 346,414,284,657.12
  5. Step 5: Solve for x
    x = 346,414,284,657.12/755,047.36
  6. Step 6: Final answer
    x = 458,798.09

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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.