Home / 451,036.02-675,834.37-330,534.54

Finding the Fourth Proportional to 451,036.02, 675,834.37 and 330,534.54

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Solution

The fourth proportional to 451,036.02, 675,834.37 and 330,534.54 is: 495,274.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,036.02 : 675,834.37 = 330,534.54 : x
  2. Step 2: Convert to fraction form
    451,036.02/675,834.37 = 330,534.54/x
  3. Step 3: Cross multiply
    451,036.02x = 675,834.37 × 330,534.54
  4. Step 4: Simplify right side
    451,036.02x = 223,386,602,604.14
  5. Step 5: Solve for x
    x = 223,386,602,604.14/451,036.02
  6. Step 6: Final answer
    x = 495,274.42

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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.