Home / 775,515.12-1,163,894.76-401,645.04

Finding the Fourth Proportional to 775,515.12, 1,163,894.76 and 401,645.04

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Solution

The fourth proportional to 775,515.12, 1,163,894.76 and 401,645.04 is: 602,789.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,515.12 : 1,163,894.76 = 401,645.04 : x
  2. Step 2: Convert to fraction form
    775,515.12/1,163,894.76 = 401,645.04/x
  3. Step 3: Cross multiply
    775,515.12x = 1,163,894.76 × 401,645.04
  4. Step 4: Simplify right side
    775,515.12x = 467,472,557,435.99
  5. Step 5: Solve for x
    x = 467,472,557,435.99/775,515.12
  6. Step 6: Final answer
    x = 602,789.74

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1.5x scale

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.