Home / 684,928.65-1,027,399.92-305,868.69

Finding the Fourth Proportional to 684,928.65, 1,027,399.92 and 305,868.69

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Solution

The fourth proportional to 684,928.65, 1,027,399.92 and 305,868.69 is: 458,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,928.65 : 1,027,399.92 = 305,868.69 : x
  2. Step 2: Convert to fraction form
    684,928.65/1,027,399.92 = 305,868.69/x
  3. Step 3: Cross multiply
    684,928.65x = 1,027,399.92 × 305,868.69
  4. Step 4: Simplify right side
    684,928.65x = 314,249,467,636.51
  5. Step 5: Solve for x
    x = 314,249,467,636.51/684,928.65
  6. Step 6: Final answer
    x = 458,806.14

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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.