Home / 874,111.10-1,311,004.65-242,894.30

Finding the Fourth Proportional to 874,111.10, 1,311,004.65 and 242,894.30

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Solution

The fourth proportional to 874,111.10, 1,311,004.65 and 242,894.30 is: 364,296.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,111.10 : 1,311,004.65 = 242,894.30 : x
  2. Step 2: Convert to fraction form
    874,111.10/1,311,004.65 = 242,894.30/x
  3. Step 3: Cross multiply
    874,111.10x = 1,311,004.65 × 242,894.30
  4. Step 4: Simplify right side
    874,111.10x = 318,435,556,758.50
  5. Step 5: Solve for x
    x = 318,435,556,758.50/874,111.10
  6. Step 6: Final answer
    x = 364,296.43

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1.5x scale

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.