Home / 571,996.02-789,724.29-354,435.57

Finding the Fourth Proportional to 571,996.02, 789,724.29 and 354,435.57

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Solution

The fourth proportional to 571,996.02, 789,724.29 and 354,435.57 is: 489,350.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,996.02 : 789,724.29 = 354,435.57 : x
  2. Step 2: Convert to fraction form
    571,996.02/789,724.29 = 354,435.57/x
  3. Step 3: Cross multiply
    571,996.02x = 789,724.29 × 354,435.57
  4. Step 4: Simplify right side
    571,996.02x = 279,906,378,303.93
  5. Step 5: Solve for x
    x = 279,906,378,303.93/571,996.02
  6. Step 6: Final answer
    x = 489,350.22

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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.