Home / 657,071.40-984,051.90-445,564.20

Finding the Fourth Proportional to 657,071.40, 984,051.90 and 445,564.20

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Solution

The fourth proportional to 657,071.40, 984,051.90 and 445,564.20 is: 667,291.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,071.40 : 984,051.90 = 445,564.20 : x
  2. Step 2: Convert to fraction form
    657,071.40/984,051.90 = 445,564.20/x
  3. Step 3: Cross multiply
    657,071.40x = 984,051.90 × 445,564.20
  4. Step 4: Simplify right side
    657,071.40x = 438,458,297,581.98
  5. Step 5: Solve for x
    x = 438,458,297,581.98/657,071.40
  6. Step 6: Final answer
    x = 667,291.71

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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.