Home / 685,771.82-1,029,051.54-535,590.53

Finding the Fourth Proportional to 685,771.82, 1,029,051.54 and 535,590.53

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Solution

The fourth proportional to 685,771.82, 1,029,051.54 and 535,590.53 is: 803,693.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,771.82 : 1,029,051.54 = 535,590.53 : x
  2. Step 2: Convert to fraction form
    685,771.82/1,029,051.54 = 535,590.53/x
  3. Step 3: Cross multiply
    685,771.82x = 1,029,051.54 × 535,590.53
  4. Step 4: Simplify right side
    685,771.82x = 551,150,258,419.60
  5. Step 5: Solve for x
    x = 551,150,258,419.60/685,771.82
  6. Step 6: Final answer
    x = 803,693.36

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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.