Home / 856,271.10-1,284,017.85-323,615.10

Finding the Fourth Proportional to 856,271.10, 1,284,017.85 and 323,615.10

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Solution

The fourth proportional to 856,271.10, 1,284,017.85 and 323,615.10 is: 485,275.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,271.10 : 1,284,017.85 = 323,615.10 : x
  2. Step 2: Convert to fraction form
    856,271.10/1,284,017.85 = 323,615.10/x
  3. Step 3: Cross multiply
    856,271.10x = 1,284,017.85 × 323,615.10
  4. Step 4: Simplify right side
    856,271.10x = 415,527,564,929.54
  5. Step 5: Solve for x
    x = 415,527,564,929.54/856,271.10
  6. Step 6: Final answer
    x = 485,275.71

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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.