Home / 685,773.84-1,028,710.04-236,488.25

Finding the Fourth Proportional to 685,773.84, 1,028,710.04 and 236,488.25

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Solution

The fourth proportional to 685,773.84, 1,028,710.04 and 236,488.25 is: 354,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,773.84 : 1,028,710.04 = 236,488.25 : x
  2. Step 2: Convert to fraction form
    685,773.84/1,028,710.04 = 236,488.25/x
  3. Step 3: Cross multiply
    685,773.84x = 1,028,710.04 × 236,488.25
  4. Step 4: Simplify right side
    685,773.84x = 243,277,830,791.04
  5. Step 5: Solve for x
    x = 243,277,830,791.04/685,773.84
  6. Step 6: Final answer
    x = 354,749.36

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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.