Home / 810,453.22-1,118,418.33-447,901.54

Finding the Fourth Proportional to 810,453.22, 1,118,418.33 and 447,901.54

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Solution

The fourth proportional to 810,453.22, 1,118,418.33 and 447,901.54 is: 618,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,453.22 : 1,118,418.33 = 447,901.54 : x
  2. Step 2: Convert to fraction form
    810,453.22/1,118,418.33 = 447,901.54/x
  3. Step 3: Cross multiply
    810,453.22x = 1,118,418.33 × 447,901.54
  4. Step 4: Simplify right side
    810,453.22x = 500,941,292,371.23
  5. Step 5: Solve for x
    x = 500,941,292,371.23/810,453.22
  6. Step 6: Final answer
    x = 618,100.19

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1.5x scale

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.