Home / 686,929.46-1,029,093.63-458,536.41

Finding the Fourth Proportional to 686,929.46, 1,029,093.63 and 458,536.41

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Solution

The fourth proportional to 686,929.46, 1,029,093.63 and 458,536.41 is: 686,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,929.46 : 1,029,093.63 = 458,536.41 : x
  2. Step 2: Convert to fraction form
    686,929.46/1,029,093.63 = 458,536.41/x
  3. Step 3: Cross multiply
    686,929.46x = 1,029,093.63 × 458,536.41
  4. Step 4: Simplify right side
    686,929.46x = 471,876,898,654.07
  5. Step 5: Solve for x
    x = 471,876,898,654.07/686,929.46
  6. Step 6: Final answer
    x = 686,936.47

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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.