Home / 693,477.36-1,040,220.36-213,699.24

Finding the Fourth Proportional to 693,477.36, 1,040,220.36 and 213,699.24

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Solution

The fourth proportional to 693,477.36, 1,040,220.36 and 213,699.24 is: 320,550.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,477.36 : 1,040,220.36 = 213,699.24 : x
  2. Step 2: Convert to fraction form
    693,477.36/1,040,220.36 = 213,699.24/x
  3. Step 3: Cross multiply
    693,477.36x = 1,040,220.36 × 213,699.24
  4. Step 4: Simplify right side
    693,477.36x = 222,294,300,364.53
  5. Step 5: Solve for x
    x = 222,294,300,364.53/693,477.36
  6. Step 6: Final answer
    x = 320,550.19

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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.