Home / 686,050.60-1,029,239.38-236,775.34

Finding the Fourth Proportional to 686,050.60, 1,029,239.38 and 236,775.34

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Solution

The fourth proportional to 686,050.60, 1,029,239.38 and 236,775.34 is: 355,219.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,050.60 : 1,029,239.38 = 236,775.34 : x
  2. Step 2: Convert to fraction form
    686,050.60/1,029,239.38 = 236,775.34/x
  3. Step 3: Cross multiply
    686,050.60x = 1,029,239.38 × 236,775.34
  4. Step 4: Simplify right side
    686,050.60x = 243,698,504,140.89
  5. Step 5: Solve for x
    x = 243,698,504,140.89/686,050.60
  6. Step 6: Final answer
    x = 355,219.43

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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.