Home / 789,810.16-1,089,591.80-462,957.48

Finding the Fourth Proportional to 789,810.16, 1,089,591.80 and 462,957.48

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Solution

The fourth proportional to 789,810.16, 1,089,591.80 and 462,957.48 is: 638,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,810.16 : 1,089,591.80 = 462,957.48 : x
  2. Step 2: Convert to fraction form
    789,810.16/1,089,591.80 = 462,957.48/x
  3. Step 3: Cross multiply
    789,810.16x = 1,089,591.80 × 462,957.48
  4. Step 4: Simplify right side
    789,810.16x = 504,434,673,956.66
  5. Step 5: Solve for x
    x = 504,434,673,956.66/789,810.16
  6. Step 6: Final answer
    x = 638,678.38

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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.