Home / 989,828.28-1,485,304.08-534,413.45

Finding the Fourth Proportional to 989,828.28, 1,485,304.08 and 534,413.45

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Solution

The fourth proportional to 989,828.28, 1,485,304.08 and 534,413.45 is: 801,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,828.28 : 1,485,304.08 = 534,413.45 : x
  2. Step 2: Convert to fraction form
    989,828.28/1,485,304.08 = 534,413.45/x
  3. Step 3: Cross multiply
    989,828.28x = 1,485,304.08 × 534,413.45
  4. Step 4: Simplify right side
    989,828.28x = 793,766,472,121.99
  5. Step 5: Solve for x
    x = 793,766,472,121.99/989,828.28
  6. Step 6: Final answer
    x = 801,923.42

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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.