Home / 862,508.78-1,294,363.48-357,072.38

Finding the Fourth Proportional to 862,508.78, 1,294,363.48 and 357,072.38

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Solution

The fourth proportional to 862,508.78, 1,294,363.48 and 357,072.38 is: 535,857.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,508.78 : 1,294,363.48 = 357,072.38 : x
  2. Step 2: Convert to fraction form
    862,508.78/1,294,363.48 = 357,072.38/x
  3. Step 3: Cross multiply
    862,508.78x = 1,294,363.48 × 357,072.38
  4. Step 4: Simplify right side
    862,508.78x = 462,181,440,131.50
  5. Step 5: Solve for x
    x = 462,181,440,131.50/862,508.78
  6. Step 6: Final answer
    x = 535,857.09

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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.