Home / 646,021.05-968,317.95-266,732.67

Finding the Fourth Proportional to 646,021.05, 968,317.95 and 266,732.67

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Solution

The fourth proportional to 646,021.05, 968,317.95 and 266,732.67 is: 399,804.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,021.05 : 968,317.95 = 266,732.67 : x
  2. Step 2: Convert to fraction form
    646,021.05/968,317.95 = 266,732.67/x
  3. Step 3: Cross multiply
    646,021.05x = 968,317.95 × 266,732.67
  4. Step 4: Simplify right side
    646,021.05x = 258,282,032,212.43
  5. Step 5: Solve for x
    x = 258,282,032,212.43/646,021.05
  6. Step 6: Final answer
    x = 399,804.36

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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.