Home / 686,590.70-1,030,037.72-231,204.29

Finding the Fourth Proportional to 686,590.70, 1,030,037.72 and 231,204.29

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Solution

The fourth proportional to 686,590.70, 1,030,037.72 and 231,204.29 is: 346,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,590.70 : 1,030,037.72 = 231,204.29 : x
  2. Step 2: Convert to fraction form
    686,590.70/1,030,037.72 = 231,204.29/x
  3. Step 3: Cross multiply
    686,590.70x = 1,030,037.72 × 231,204.29
  4. Step 4: Simplify right side
    686,590.70x = 238,149,133,419.61
  5. Step 5: Solve for x
    x = 238,149,133,419.61/686,590.70
  6. Step 6: Final answer
    x = 346,857.50

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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.