Home / 677,626.51-1,016,068.44-312,491.74

Finding the Fourth Proportional to 677,626.51, 1,016,068.44 and 312,491.74

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Solution

The fourth proportional to 677,626.51, 1,016,068.44 and 312,491.74 is: 468,566.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,626.51 : 1,016,068.44 = 312,491.74 : x
  2. Step 2: Convert to fraction form
    677,626.51/1,016,068.44 = 312,491.74/x
  3. Step 3: Cross multiply
    677,626.51x = 1,016,068.44 × 312,491.74
  4. Step 4: Simplify right side
    677,626.51x = 317,512,993,553.72
  5. Step 5: Solve for x
    x = 317,512,993,553.72/677,626.51
  6. Step 6: Final answer
    x = 468,566.37

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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.