Home / 942,745.36-1,300,975.08-518,809.36

Finding the Fourth Proportional to 942,745.36, 1,300,975.08 and 518,809.36

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Solution

The fourth proportional to 942,745.36, 1,300,975.08 and 518,809.36 is: 715,949.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,745.36 : 1,300,975.08 = 518,809.36 : x
  2. Step 2: Convert to fraction form
    942,745.36/1,300,975.08 = 518,809.36/x
  3. Step 3: Cross multiply
    942,745.36x = 1,300,975.08 × 518,809.36
  4. Step 4: Simplify right side
    942,745.36x = 674,958,048,630.75
  5. Step 5: Solve for x
    x = 674,958,048,630.75/942,745.36
  6. Step 6: Final answer
    x = 715,949.48

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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.