Home / 892,219.32-1,231,247.34-489,808.44

Finding the Fourth Proportional to 892,219.32, 1,231,247.34 and 489,808.44

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Solution

The fourth proportional to 892,219.32, 1,231,247.34 and 489,808.44 is: 675,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,219.32 : 1,231,247.34 = 489,808.44 : x
  2. Step 2: Convert to fraction form
    892,219.32/1,231,247.34 = 489,808.44/x
  3. Step 3: Cross multiply
    892,219.32x = 1,231,247.34 × 489,808.44
  4. Step 4: Simplify right side
    892,219.32x = 603,075,338,859.55
  5. Step 5: Solve for x
    x = 603,075,338,859.55/892,219.32
  6. Step 6: Final answer
    x = 675,927.24

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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.