Home / 684,328.90-1,027,076.55-305,832.10

Finding the Fourth Proportional to 684,328.90, 1,027,076.55 and 305,832.10

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Solution

The fourth proportional to 684,328.90, 1,027,076.55 and 305,832.10 is: 459,008.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,328.90 : 1,027,076.55 = 305,832.10 : x
  2. Step 2: Convert to fraction form
    684,328.90/1,027,076.55 = 305,832.10/x
  3. Step 3: Cross multiply
    684,328.90x = 1,027,076.55 × 305,832.10
  4. Step 4: Simplify right side
    684,328.90x = 314,112,978,147.26
  5. Step 5: Solve for x
    x = 314,112,978,147.26/684,328.90
  6. Step 6: Final answer
    x = 459,008.79

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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.