Home / 862,002.83-1,292,956.07-262,916.89

Finding the Fourth Proportional to 862,002.83, 1,292,956.07 and 262,916.89

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Solution

The fourth proportional to 862,002.83, 1,292,956.07 and 262,916.89 is: 394,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,002.83 : 1,292,956.07 = 262,916.89 : x
  2. Step 2: Convert to fraction form
    862,002.83/1,292,956.07 = 262,916.89/x
  3. Step 3: Cross multiply
    862,002.83x = 1,292,956.07 × 262,916.89
  4. Step 4: Simplify right side
    862,002.83x = 339,939,984,284.05
  5. Step 5: Solve for x
    x = 339,939,984,284.05/862,002.83
  6. Step 6: Final answer
    x = 394,360.63

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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.