Home / 746,455.64-1,030,078.22-419,759.35

Finding the Fourth Proportional to 746,455.64, 1,030,078.22 and 419,759.35

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Solution

The fourth proportional to 746,455.64, 1,030,078.22 and 419,759.35 is: 579,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,455.64 : 1,030,078.22 = 419,759.35 : x
  2. Step 2: Convert to fraction form
    746,455.64/1,030,078.22 = 419,759.35/x
  3. Step 3: Cross multiply
    746,455.64x = 1,030,078.22 × 419,759.35
  4. Step 4: Simplify right side
    746,455.64x = 432,384,959,402.37
  5. Step 5: Solve for x
    x = 432,384,959,402.37/746,455.64
  6. Step 6: Final answer
    x = 579,250.71

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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.