Home / 756,548.70-1,044,005.79-412,377.06

Finding the Fourth Proportional to 756,548.70, 1,044,005.79 and 412,377.06

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Solution

The fourth proportional to 756,548.70, 1,044,005.79 and 412,377.06 is: 569,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,548.70 : 1,044,005.79 = 412,377.06 : x
  2. Step 2: Convert to fraction form
    756,548.70/1,044,005.79 = 412,377.06/x
  3. Step 3: Cross multiply
    756,548.70x = 1,044,005.79 × 412,377.06
  4. Step 4: Simplify right side
    756,548.70x = 430,524,038,303.18
  5. Step 5: Solve for x
    x = 430,524,038,303.18/756,548.70
  6. Step 6: Final answer
    x = 569,063.22

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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.