Home / 686,894.30-1,029,614.25-231,051.59

Finding the Fourth Proportional to 686,894.30, 1,029,614.25 and 231,051.59

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Solution

The fourth proportional to 686,894.30, 1,029,614.25 and 231,051.59 is: 346,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,894.30 : 1,029,614.25 = 231,051.59 : x
  2. Step 2: Convert to fraction form
    686,894.30/1,029,614.25 = 231,051.59/x
  3. Step 3: Cross multiply
    686,894.30x = 1,029,614.25 × 231,051.59
  4. Step 4: Simplify right side
    686,894.30x = 237,894,009,549.16
  5. Step 5: Solve for x
    x = 237,894,009,549.16/686,894.30
  6. Step 6: Final answer
    x = 346,332.78

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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.