Home / 980,413.99-1,470,857.41-340,624.61

Finding the Fourth Proportional to 980,413.99, 1,470,857.41 and 340,624.61

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Solution

The fourth proportional to 980,413.99, 1,470,857.41 and 340,624.61 is: 511,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,413.99 : 1,470,857.41 = 340,624.61 : x
  2. Step 2: Convert to fraction form
    980,413.99/1,470,857.41 = 340,624.61/x
  3. Step 3: Cross multiply
    980,413.99x = 1,470,857.41 × 340,624.61
  4. Step 4: Simplify right side
    980,413.99x = 501,010,231,646.86
  5. Step 5: Solve for x
    x = 501,010,231,646.86/980,413.99
  6. Step 6: Final answer
    x = 511,019.06

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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.