Home / 684,741.36-1,027,112.46-258,161.34

Finding the Fourth Proportional to 684,741.36, 1,027,112.46 and 258,161.34

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Solution

The fourth proportional to 684,741.36, 1,027,112.46 and 258,161.34 is: 387,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,741.36 : 1,027,112.46 = 258,161.34 : x
  2. Step 2: Convert to fraction form
    684,741.36/1,027,112.46 = 258,161.34/x
  3. Step 3: Cross multiply
    684,741.36x = 1,027,112.46 × 258,161.34
  4. Step 4: Simplify right side
    684,741.36x = 265,160,729,004.30
  5. Step 5: Solve for x
    x = 265,160,729,004.30/684,741.36
  6. Step 6: Final answer
    x = 387,242.17

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1.5x scale

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.