Home / 813,618.24-1,122,790.08-455,922.24

Finding the Fourth Proportional to 813,618.24, 1,122,790.08 and 455,922.24

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Solution

The fourth proportional to 813,618.24, 1,122,790.08 and 455,922.24 is: 629,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,618.24 : 1,122,790.08 = 455,922.24 : x
  2. Step 2: Convert to fraction form
    813,618.24/1,122,790.08 = 455,922.24/x
  3. Step 3: Cross multiply
    813,618.24x = 1,122,790.08 × 455,922.24
  4. Step 4: Simplify right side
    813,618.24x = 511,904,968,323.38
  5. Step 5: Solve for x
    x = 511,904,968,323.38/813,618.24
  6. Step 6: Final answer
    x = 629,170.96

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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.