Home / 726,525.51-1,089,197.76-253,543.02

Finding the Fourth Proportional to 726,525.51, 1,089,197.76 and 253,543.02

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Solution

The fourth proportional to 726,525.51, 1,089,197.76 and 253,543.02 is: 380,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,525.51 : 1,089,197.76 = 253,543.02 : x
  2. Step 2: Convert to fraction form
    726,525.51/1,089,197.76 = 253,543.02/x
  3. Step 3: Cross multiply
    726,525.51x = 1,089,197.76 × 253,543.02
  4. Step 4: Simplify right side
    726,525.51x = 276,158,489,447.64
  5. Step 5: Solve for x
    x = 276,158,489,447.64/726,525.51
  6. Step 6: Final answer
    x = 380,108.46

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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.