Home / 780,524.51-1,170,769.75-359,800.38

Finding the Fourth Proportional to 780,524.51, 1,170,769.75 and 359,800.38

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Solution

The fourth proportional to 780,524.51, 1,170,769.75 and 359,800.38 is: 539,692.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,524.51 : 1,170,769.75 = 359,800.38 : x
  2. Step 2: Convert to fraction form
    780,524.51/1,170,769.75 = 359,800.38/x
  3. Step 3: Cross multiply
    780,524.51x = 1,170,769.75 × 359,800.38
  4. Step 4: Simplify right side
    780,524.51x = 421,243,400,043.00
  5. Step 5: Solve for x
    x = 421,243,400,043.00/780,524.51
  6. Step 6: Final answer
    x = 539,692.73

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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.