Home / 841,389.48-1,161,112.89-459,413.53

Finding the Fourth Proportional to 841,389.48, 1,161,112.89 and 459,413.53

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Solution

The fourth proportional to 841,389.48, 1,161,112.89 and 459,413.53 is: 633,988.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,389.48 : 1,161,112.89 = 459,413.53 : x
  2. Step 2: Convert to fraction form
    841,389.48/1,161,112.89 = 459,413.53/x
  3. Step 3: Cross multiply
    841,389.48x = 1,161,112.89 × 459,413.53
  4. Step 4: Simplify right side
    841,389.48x = 533,430,963,420.77
  5. Step 5: Solve for x
    x = 533,430,963,420.77/841,389.48
  6. Step 6: Final answer
    x = 633,988.15

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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.