Home / 904,986.57-1,355,413.14-432,004.08

Finding the Fourth Proportional to 904,986.57, 1,355,413.14 and 432,004.08

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Solution

The fourth proportional to 904,986.57, 1,355,413.14 and 432,004.08 is: 647,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,986.57 : 1,355,413.14 = 432,004.08 : x
  2. Step 2: Convert to fraction form
    904,986.57/1,355,413.14 = 432,004.08/x
  3. Step 3: Cross multiply
    904,986.57x = 1,355,413.14 × 432,004.08
  4. Step 4: Simplify right side
    904,986.57x = 585,544,006,565.61
  5. Step 5: Solve for x
    x = 585,544,006,565.61/904,986.57
  6. Step 6: Final answer
    x = 647,019.55

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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.