Home / 646,022.05-968,319.45-266,733.67

Finding the Fourth Proportional to 646,022.05, 968,319.45 and 266,733.67

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Solution

The fourth proportional to 646,022.05, 968,319.45 and 266,733.67 is: 399,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,022.05 : 968,319.45 = 266,733.67 : x
  2. Step 2: Convert to fraction form
    646,022.05/968,319.45 = 266,733.67/x
  3. Step 3: Cross multiply
    646,022.05x = 968,319.45 × 266,733.67
  4. Step 4: Simplify right side
    646,022.05x = 258,283,400,630.88
  5. Step 5: Solve for x
    x = 258,283,400,630.88/646,022.05
  6. Step 6: Final answer
    x = 399,805.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.