Home / 698,968.89-1,048,279.86-299,564.37

Finding the Fourth Proportional to 698,968.89, 1,048,279.86 and 299,564.37

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Solution

The fourth proportional to 698,968.89, 1,048,279.86 and 299,564.37 is: 449,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,968.89 : 1,048,279.86 = 299,564.37 : x
  2. Step 2: Convert to fraction form
    698,968.89/1,048,279.86 = 299,564.37/x
  3. Step 3: Cross multiply
    698,968.89x = 1,048,279.86 × 299,564.37
  4. Step 4: Simplify right side
    698,968.89x = 314,027,295,844.59
  5. Step 5: Solve for x
    x = 314,027,295,844.59/698,968.89
  6. Step 6: Final answer
    x = 449,272.21

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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.