Home / 904,986.70-1,355,413.33-432,004.21

Finding the Fourth Proportional to 904,986.70, 1,355,413.33 and 432,004.21

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Solution

The fourth proportional to 904,986.70, 1,355,413.33 and 432,004.21 is: 647,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,986.70 : 1,355,413.33 = 432,004.21 : x
  2. Step 2: Convert to fraction form
    904,986.70/1,355,413.33 = 432,004.21/x
  3. Step 3: Cross multiply
    904,986.70x = 1,355,413.33 × 432,004.21
  4. Step 4: Simplify right side
    904,986.70x = 585,544,264,850.12
  5. Step 5: Solve for x
    x = 585,544,264,850.12/904,986.70
  6. Step 6: Final answer
    x = 647,019.75

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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.