Home / 756,647.73-1,044,185.45-412,483.86

Finding the Fourth Proportional to 756,647.73, 1,044,185.45 and 412,483.86

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Solution

The fourth proportional to 756,647.73, 1,044,185.45 and 412,483.86 is: 569,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,647.73 : 1,044,185.45 = 412,483.86 : x
  2. Step 2: Convert to fraction form
    756,647.73/1,044,185.45 = 412,483.86/x
  3. Step 3: Cross multiply
    756,647.73x = 1,044,185.45 × 412,483.86
  4. Step 4: Simplify right side
    756,647.73x = 430,709,642,909.42
  5. Step 5: Solve for x
    x = 430,709,642,909.42/756,647.73
  6. Step 6: Final answer
    x = 569,234.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.