Home / 501,336.22-691,998.87-322,488.22

Finding the Fourth Proportional to 501,336.22, 691,998.87 and 322,488.22

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Solution

The fourth proportional to 501,336.22, 691,998.87 and 322,488.22 is: 445,133.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,336.22 : 691,998.87 = 322,488.22 : x
  2. Step 2: Convert to fraction form
    501,336.22/691,998.87 = 322,488.22/x
  3. Step 3: Cross multiply
    501,336.22x = 691,998.87 × 322,488.22
  4. Step 4: Simplify right side
    501,336.22x = 223,161,483,828.31
  5. Step 5: Solve for x
    x = 223,161,483,828.31/501,336.22
  6. Step 6: Final answer
    x = 445,133.38

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1.5x scale

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.