Home / 756,612.30-1,044,105.30-412,455.06

Finding the Fourth Proportional to 756,612.30, 1,044,105.30 and 412,455.06

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Solution

The fourth proportional to 756,612.30, 1,044,105.30 and 412,455.06 is: 569,177.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,612.30 : 1,044,105.30 = 412,455.06 : x
  2. Step 2: Convert to fraction form
    756,612.30/1,044,105.30 = 412,455.06/x
  3. Step 3: Cross multiply
    756,612.30x = 1,044,105.30 × 412,455.06
  4. Step 4: Simplify right side
    756,612.30x = 430,646,514,157.82
  5. Step 5: Solve for x
    x = 430,646,514,157.82/756,612.30
  6. Step 6: Final answer
    x = 569,177.26

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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.