Home / 677,880.45-1,016,826.48-172,441.87

Finding the Fourth Proportional to 677,880.45, 1,016,826.48 and 172,441.87

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Solution

The fourth proportional to 677,880.45, 1,016,826.48 and 172,441.87 is: 258,664.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,880.45 : 1,016,826.48 = 172,441.87 : x
  2. Step 2: Convert to fraction form
    677,880.45/1,016,826.48 = 172,441.87/x
  3. Step 3: Cross multiply
    677,880.45x = 1,016,826.48 × 172,441.87
  4. Step 4: Simplify right side
    677,880.45x = 175,343,457,134.65
  5. Step 5: Solve for x
    x = 175,343,457,134.65/677,880.45
  6. Step 6: Final answer
    x = 258,664.28

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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.