Home / 842,879.04-1,264,108.09-330,648.29

Finding the Fourth Proportional to 842,879.04, 1,264,108.09 and 330,648.29

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Solution

The fourth proportional to 842,879.04, 1,264,108.09 and 330,648.29 is: 495,889.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,879.04 : 1,264,108.09 = 330,648.29 : x
  2. Step 2: Convert to fraction form
    842,879.04/1,264,108.09 = 330,648.29/x
  3. Step 3: Cross multiply
    842,879.04x = 1,264,108.09 × 330,648.29
  4. Step 4: Simplify right side
    842,879.04x = 417,975,178,333.67
  5. Step 5: Solve for x
    x = 417,975,178,333.67/842,879.04
  6. Step 6: Final answer
    x = 495,889.87

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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.