Home / 780,052.74-1,170,122.88-219,043.50

Finding the Fourth Proportional to 780,052.74, 1,170,122.88 and 219,043.50

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Solution

The fourth proportional to 780,052.74, 1,170,122.88 and 219,043.50 is: 328,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,052.74 : 1,170,122.88 = 219,043.50 : x
  2. Step 2: Convert to fraction form
    780,052.74/1,170,122.88 = 219,043.50/x
  3. Step 3: Cross multiply
    780,052.74x = 1,170,122.88 × 219,043.50
  4. Step 4: Simplify right side
    780,052.74x = 256,307,811,065.28
  5. Step 5: Solve for x
    x = 256,307,811,065.28/780,052.74
  6. Step 6: Final answer
    x = 328,577.54

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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.