Home / 780,053.24-1,170,123.63-219,044

Finding the Fourth Proportional to 780,053.24, 1,170,123.63 and 219,044

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Solution

The fourth proportional to 780,053.24, 1,170,123.63 and 219,044 is: 328,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,053.24 : 1,170,123.63 = 219,044 : x
  2. Step 2: Convert to fraction form
    780,053.24/1,170,123.63 = 219,044/x
  3. Step 3: Cross multiply
    780,053.24x = 1,170,123.63 × 219,044
  4. Step 4: Simplify right side
    780,053.24x = 256,308,560,409.72
  5. Step 5: Solve for x
    x = 256,308,560,409.72/780,053.24
  6. Step 6: Final answer
    x = 328,578.29

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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.