Home / 677,428.80-1,014,174.90-453,042.60

Finding the Fourth Proportional to 677,428.80, 1,014,174.90 and 453,042.60

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Solution

The fourth proportional to 677,428.80, 1,014,174.90 and 453,042.60 is: 678,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,428.80 : 1,014,174.90 = 453,042.60 : x
  2. Step 2: Convert to fraction form
    677,428.80/1,014,174.90 = 453,042.60/x
  3. Step 3: Cross multiply
    677,428.80x = 1,014,174.90 × 453,042.60
  4. Step 4: Simplify right side
    677,428.80x = 459,464,433,550.74
  5. Step 5: Solve for x
    x = 459,464,433,550.74/677,428.80
  6. Step 6: Final answer
    x = 678,247.56

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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.