Home / 750,112.78-1,124,969.34-210,339.34

Finding the Fourth Proportional to 750,112.78, 1,124,969.34 and 210,339.34

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Solution

The fourth proportional to 750,112.78, 1,124,969.34 and 210,339.34 is: 315,452.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,112.78 : 1,124,969.34 = 210,339.34 : x
  2. Step 2: Convert to fraction form
    750,112.78/1,124,969.34 = 210,339.34/x
  3. Step 3: Cross multiply
    750,112.78x = 1,124,969.34 × 210,339.34
  4. Step 4: Simplify right side
    750,112.78x = 236,625,308,495.84
  5. Step 5: Solve for x
    x = 236,625,308,495.84/750,112.78
  6. Step 6: Final answer
    x = 315,452.98

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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.