Home / 759,574.90-1,139,427.39-198,608.50

Finding the Fourth Proportional to 759,574.90, 1,139,427.39 and 198,608.50

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Solution

The fourth proportional to 759,574.90, 1,139,427.39 and 198,608.50 is: 297,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,574.90 : 1,139,427.39 = 198,608.50 : x
  2. Step 2: Convert to fraction form
    759,574.90/1,139,427.39 = 198,608.50/x
  3. Step 3: Cross multiply
    759,574.90x = 1,139,427.39 × 198,608.50
  4. Step 4: Simplify right side
    759,574.90x = 226,299,964,786.82
  5. Step 5: Solve for x
    x = 226,299,964,786.82/759,574.90
  6. Step 6: Final answer
    x = 297,929.76

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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.