Home / 677,431.80-1,014,179.40-453,045.60

Finding the Fourth Proportional to 677,431.80, 1,014,179.40 and 453,045.60

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Solution

The fourth proportional to 677,431.80, 1,014,179.40 and 453,045.60 is: 678,252.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,431.80 : 1,014,179.40 = 453,045.60 : x
  2. Step 2: Convert to fraction form
    677,431.80/1,014,179.40 = 453,045.60/x
  3. Step 3: Cross multiply
    677,431.80x = 1,014,179.40 × 453,045.60
  4. Step 4: Simplify right side
    677,431.80x = 459,469,514,780.64
  5. Step 5: Solve for x
    x = 459,469,514,780.64/677,431.80
  6. Step 6: Final answer
    x = 678,252.06

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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.