Home / 686,065.44-1,029,261.70-236,790.24

Finding the Fourth Proportional to 686,065.44, 1,029,261.70 and 236,790.24

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Solution

The fourth proportional to 686,065.44, 1,029,261.70 and 236,790.24 is: 355,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,065.44 : 1,029,261.70 = 236,790.24 : x
  2. Step 2: Convert to fraction form
    686,065.44/1,029,261.70 = 236,790.24/x
  3. Step 3: Cross multiply
    686,065.44x = 1,029,261.70 × 236,790.24
  4. Step 4: Simplify right side
    686,065.44x = 243,719,121,402.06
  5. Step 5: Solve for x
    x = 243,719,121,402.06/686,065.44
  6. Step 6: Final answer
    x = 355,241.80

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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.