Home / 841,388.98-1,161,112.20-459,413.03

Finding the Fourth Proportional to 841,388.98, 1,161,112.20 and 459,413.03

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Solution

The fourth proportional to 841,388.98, 1,161,112.20 and 459,413.03 is: 633,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,388.98 : 1,161,112.20 = 459,413.03 : x
  2. Step 2: Convert to fraction form
    841,388.98/1,161,112.20 = 459,413.03/x
  3. Step 3: Cross multiply
    841,388.98x = 1,161,112.20 × 459,413.03
  4. Step 4: Simplify right side
    841,388.98x = 533,430,066,443.61
  5. Step 5: Solve for x
    x = 533,430,066,443.61/841,388.98
  6. Step 6: Final answer
    x = 633,987.47

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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.