Home / 756,551.21-1,044,009.24-412,379.57

Finding the Fourth Proportional to 756,551.21, 1,044,009.24 and 412,379.57

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Solution

The fourth proportional to 756,551.21, 1,044,009.24 and 412,379.57 is: 569,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,551.21 : 1,044,009.24 = 412,379.57 : x
  2. Step 2: Convert to fraction form
    756,551.21/1,044,009.24 = 412,379.57/x
  3. Step 3: Cross multiply
    756,551.21x = 1,044,009.24 × 412,379.57
  4. Step 4: Simplify right side
    756,551.21x = 430,528,081,467.23
  5. Step 5: Solve for x
    x = 430,528,081,467.23/756,551.21
  6. Step 6: Final answer
    x = 569,066.67

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Double scale
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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.