Home / 776,217.44-1,162,941-421,004.88

Finding the Fourth Proportional to 776,217.44, 1,162,941 and 421,004.88

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Solution

The fourth proportional to 776,217.44, 1,162,941 and 421,004.88 is: 630,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,217.44 : 1,162,941 = 421,004.88 : x
  2. Step 2: Convert to fraction form
    776,217.44/1,162,941 = 421,004.88/x
  3. Step 3: Cross multiply
    776,217.44x = 1,162,941 × 421,004.88
  4. Step 4: Simplify right side
    776,217.44x = 489,603,836,152.08
  5. Step 5: Solve for x
    x = 489,603,836,152.08/776,217.44
  6. Step 6: Final answer
    x = 630,756.04

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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.