Home / 686,894.05-1,029,613.87-231,051.34

Finding the Fourth Proportional to 686,894.05, 1,029,613.87 and 231,051.34

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Solution

The fourth proportional to 686,894.05, 1,029,613.87 and 231,051.34 is: 346,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,894.05 : 1,029,613.87 = 231,051.34 : x
  2. Step 2: Convert to fraction form
    686,894.05/1,029,613.87 = 231,051.34/x
  3. Step 3: Cross multiply
    686,894.05x = 1,029,613.87 × 231,051.34
  4. Step 4: Simplify right side
    686,894.05x = 237,893,664,346.09
  5. Step 5: Solve for x
    x = 237,893,664,346.09/686,894.05
  6. Step 6: Final answer
    x = 346,332.40

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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.