Home / 847,884.79-1,170,067.48-465,903.37

Finding the Fourth Proportional to 847,884.79, 1,170,067.48 and 465,903.37

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Solution

The fourth proportional to 847,884.79, 1,170,067.48 and 465,903.37 is: 642,939.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,884.79 : 1,170,067.48 = 465,903.37 : x
  2. Step 2: Convert to fraction form
    847,884.79/1,170,067.48 = 465,903.37/x
  3. Step 3: Cross multiply
    847,884.79x = 1,170,067.48 × 465,903.37
  4. Step 4: Simplify right side
    847,884.79x = 545,138,382,059.41
  5. Step 5: Solve for x
    x = 545,138,382,059.41/847,884.79
  6. Step 6: Final answer
    x = 642,939.22

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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.