Home / 778,028.46-1,073,764.71-451,413.42

Finding the Fourth Proportional to 778,028.46, 1,073,764.71 and 451,413.42

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Solution

The fourth proportional to 778,028.46, 1,073,764.71 and 451,413.42 is: 623,000.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,028.46 : 1,073,764.71 = 451,413.42 : x
  2. Step 2: Convert to fraction form
    778,028.46/1,073,764.71 = 451,413.42/x
  3. Step 3: Cross multiply
    778,028.46x = 1,073,764.71 × 451,413.42
  4. Step 4: Simplify right side
    778,028.46x = 484,711,800,016.41
  5. Step 5: Solve for x
    x = 484,711,800,016.41/778,028.46
  6. Step 6: Final answer
    x = 623,000.09

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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.