Home / 686,208.24-1,029,388.23-236,878.16

Finding the Fourth Proportional to 686,208.24, 1,029,388.23 and 236,878.16

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Solution

The fourth proportional to 686,208.24, 1,029,388.23 and 236,878.16 is: 355,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,208.24 : 1,029,388.23 = 236,878.16 : x
  2. Step 2: Convert to fraction form
    686,208.24/1,029,388.23 = 236,878.16/x
  3. Step 3: Cross multiply
    686,208.24x = 1,029,388.23 × 236,878.16
  4. Step 4: Simplify right side
    686,208.24x = 243,839,584,701.12
  5. Step 5: Solve for x
    x = 243,839,584,701.12/686,208.24
  6. Step 6: Final answer
    x = 355,343.42

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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.