Home / 799,298.63-1,199,538.44-378,574.50

Finding the Fourth Proportional to 799,298.63, 1,199,538.44 and 378,574.50

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Solution

The fourth proportional to 799,298.63, 1,199,538.44 and 378,574.50 is: 568,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,298.63 : 1,199,538.44 = 378,574.50 : x
  2. Step 2: Convert to fraction form
    799,298.63/1,199,538.44 = 378,574.50/x
  3. Step 3: Cross multiply
    799,298.63x = 1,199,538.44 × 378,574.50
  4. Step 4: Simplify right side
    799,298.63x = 454,114,663,260.91
  5. Step 5: Solve for x
    x = 454,114,663,260.91/799,298.63
  6. Step 6: Final answer
    x = 568,141.43

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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.