Home / 697,889.58-1,045,956.33-378,029.22

Finding the Fourth Proportional to 697,889.58, 1,045,956.33 and 378,029.22

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Solution

The fourth proportional to 697,889.58, 1,045,956.33 and 378,029.22 is: 566,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,889.58 : 1,045,956.33 = 378,029.22 : x
  2. Step 2: Convert to fraction form
    697,889.58/1,045,956.33 = 378,029.22/x
  3. Step 3: Cross multiply
    697,889.58x = 1,045,956.33 × 378,029.22
  4. Step 4: Simplify right side
    697,889.58x = 395,402,055,583.96
  5. Step 5: Solve for x
    x = 395,402,055,583.96/697,889.58
  6. Step 6: Final answer
    x = 566,568.22

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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.