Home / 686,893.80-1,029,613.50-231,051.08

Finding the Fourth Proportional to 686,893.80, 1,029,613.50 and 231,051.08

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Solution

The fourth proportional to 686,893.80, 1,029,613.50 and 231,051.08 is: 346,332.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,893.80 : 1,029,613.50 = 231,051.08 : x
  2. Step 2: Convert to fraction form
    686,893.80/1,029,613.50 = 231,051.08/x
  3. Step 3: Cross multiply
    686,893.80x = 1,029,613.50 × 231,051.08
  4. Step 4: Simplify right side
    686,893.80x = 237,893,311,157.58
  5. Step 5: Solve for x
    x = 237,893,311,157.58/686,893.80
  6. Step 6: Final answer
    x = 346,332.01

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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.