Home / 740,991.75-1,022,004.38-637,801.57

Finding the Fourth Proportional to 740,991.75, 1,022,004.38 and 637,801.57

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Solution

The fourth proportional to 740,991.75, 1,022,004.38 and 637,801.57 is: 879,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,991.75 : 1,022,004.38 = 637,801.57 : x
  2. Step 2: Convert to fraction form
    740,991.75/1,022,004.38 = 637,801.57/x
  3. Step 3: Cross multiply
    740,991.75x = 1,022,004.38 × 637,801.57
  4. Step 4: Simplify right side
    740,991.75x = 651,836,000,982.89
  5. Step 5: Solve for x
    x = 651,836,000,982.89/740,991.75
  6. Step 6: Final answer
    x = 879,680.52

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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.