Home / 756,553.50-1,044,012.38-412,381.86

Finding the Fourth Proportional to 756,553.50, 1,044,012.38 and 412,381.86

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Solution

The fourth proportional to 756,553.50, 1,044,012.38 and 412,381.86 is: 569,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,553.50 : 1,044,012.38 = 412,381.86 : x
  2. Step 2: Convert to fraction form
    756,553.50/1,044,012.38 = 412,381.86/x
  3. Step 3: Cross multiply
    756,553.50x = 1,044,012.38 × 412,381.86
  4. Step 4: Simplify right side
    756,553.50x = 430,531,767,127.43
  5. Step 5: Solve for x
    x = 430,531,767,127.43/756,553.50
  6. Step 6: Final answer
    x = 569,069.82

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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.