Home / 730,017.77-1,007,413.81-407,732.33

Finding the Fourth Proportional to 730,017.77, 1,007,413.81 and 407,732.33

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Solution

The fourth proportional to 730,017.77, 1,007,413.81 and 407,732.33 is: 562,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,017.77 : 1,007,413.81 = 407,732.33 : x
  2. Step 2: Convert to fraction form
    730,017.77/1,007,413.81 = 407,732.33/x
  3. Step 3: Cross multiply
    730,017.77x = 1,007,413.81 × 407,732.33
  4. Step 4: Simplify right side
    730,017.77x = 410,755,181,524.68
  5. Step 5: Solve for x
    x = 410,755,181,524.68/730,017.77
  6. Step 6: Final answer
    x = 562,664.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.