Home / 823,413.66-1,234,487.30-418,272.95

Finding the Fourth Proportional to 823,413.66, 1,234,487.30 and 418,272.95

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Solution

The fourth proportional to 823,413.66, 1,234,487.30 and 418,272.95 is: 627,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,413.66 : 1,234,487.30 = 418,272.95 : x
  2. Step 2: Convert to fraction form
    823,413.66/1,234,487.30 = 418,272.95/x
  3. Step 3: Cross multiply
    823,413.66x = 1,234,487.30 × 418,272.95
  4. Step 4: Simplify right side
    823,413.66x = 516,352,636,444.73
  5. Step 5: Solve for x
    x = 516,352,636,444.73/823,413.66
  6. Step 6: Final answer
    x = 627,087.77

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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.