Home / 505,026.56-697,001.36-290,208.49

Finding the Fourth Proportional to 505,026.56, 697,001.36 and 290,208.49

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Solution

The fourth proportional to 505,026.56, 697,001.36 and 290,208.49 is: 400,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,026.56 : 697,001.36 = 290,208.49 : x
  2. Step 2: Convert to fraction form
    505,026.56/697,001.36 = 290,208.49/x
  3. Step 3: Cross multiply
    505,026.56x = 697,001.36 × 290,208.49
  4. Step 4: Simplify right side
    505,026.56x = 202,275,709,020.00
  5. Step 5: Solve for x
    x = 202,275,709,020.00/505,026.56
  6. Step 6: Final answer
    x = 400,524.89

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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.