Home / 780,192.24-1,170,658.44-540,674.52

Finding the Fourth Proportional to 780,192.24, 1,170,658.44 and 540,674.52

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Solution

The fourth proportional to 780,192.24, 1,170,658.44 and 540,674.52 is: 811,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,192.24 : 1,170,658.44 = 540,674.52 : x
  2. Step 2: Convert to fraction form
    780,192.24/1,170,658.44 = 540,674.52/x
  3. Step 3: Cross multiply
    780,192.24x = 1,170,658.44 × 540,674.52
  4. Step 4: Simplify right side
    780,192.24x = 632,945,190,130.95
  5. Step 5: Solve for x
    x = 632,945,190,130.95/780,192.24
  6. Step 6: Final answer
    x = 811,268.25

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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.