Home / 686,282.08-1,029,552.66-259,945.60

Finding the Fourth Proportional to 686,282.08, 1,029,552.66 and 259,945.60

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Solution

The fourth proportional to 686,282.08, 1,029,552.66 and 259,945.60 is: 389,967.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,282.08 : 1,029,552.66 = 259,945.60 : x
  2. Step 2: Convert to fraction form
    686,282.08/1,029,552.66 = 259,945.60/x
  3. Step 3: Cross multiply
    686,282.08x = 1,029,552.66 × 259,945.60
  4. Step 4: Simplify right side
    686,282.08x = 267,627,683,935.30
  5. Step 5: Solve for x
    x = 267,627,683,935.30/686,282.08
  6. Step 6: Final answer
    x = 389,967.47

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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.