Home / 726,048.53-1,089,071.31-345,816.02

Finding the Fourth Proportional to 726,048.53, 1,089,071.31 and 345,816.02

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Solution

The fourth proportional to 726,048.53, 1,089,071.31 and 345,816.02 is: 518,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,048.53 : 1,089,071.31 = 345,816.02 : x
  2. Step 2: Convert to fraction form
    726,048.53/1,089,071.31 = 345,816.02/x
  3. Step 3: Cross multiply
    726,048.53x = 1,089,071.31 × 345,816.02
  4. Step 4: Simplify right side
    726,048.53x = 376,618,308,643.07
  5. Step 5: Solve for x
    x = 376,618,308,643.07/726,048.53
  6. Step 6: Final answer
    x = 518,723.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.