Home / 987,418.22-1,362,629.25-534,709.22

Finding the Fourth Proportional to 987,418.22, 1,362,629.25 and 534,709.22

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Solution

The fourth proportional to 987,418.22, 1,362,629.25 and 534,709.22 is: 737,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,418.22 : 1,362,629.25 = 534,709.22 : x
  2. Step 2: Convert to fraction form
    987,418.22/1,362,629.25 = 534,709.22/x
  3. Step 3: Cross multiply
    987,418.22x = 1,362,629.25 × 534,709.22
  4. Step 4: Simplify right side
    987,418.22x = 728,610,416,603.54
  5. Step 5: Solve for x
    x = 728,610,416,603.54/987,418.22
  6. Step 6: Final answer
    x = 737,894.45

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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.