Home / 691,183.51-1,036,619.74-247,951.51

Finding the Fourth Proportional to 691,183.51, 1,036,619.74 and 247,951.51

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Solution

The fourth proportional to 691,183.51, 1,036,619.74 and 247,951.51 is: 371,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,183.51 : 1,036,619.74 = 247,951.51 : x
  2. Step 2: Convert to fraction form
    691,183.51/1,036,619.74 = 247,951.51/x
  3. Step 3: Cross multiply
    691,183.51x = 1,036,619.74 × 247,951.51
  4. Step 4: Simplify right side
    691,183.51x = 257,031,429,828.81
  5. Step 5: Solve for x
    x = 257,031,429,828.81/691,183.51
  6. Step 6: Final answer
    x = 371,871.47

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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.