Home / 856,111.52-1,284,070.08-225,074.54

Finding the Fourth Proportional to 856,111.52, 1,284,070.08 and 225,074.54

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Solution

The fourth proportional to 856,111.52, 1,284,070.08 and 225,074.54 is: 337,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,111.52 : 1,284,070.08 = 225,074.54 : x
  2. Step 2: Convert to fraction form
    856,111.52/1,284,070.08 = 225,074.54/x
  3. Step 3: Cross multiply
    856,111.52x = 1,284,070.08 × 225,074.54
  4. Step 4: Simplify right side
    856,111.52x = 289,011,482,583.76
  5. Step 5: Solve for x
    x = 289,011,482,583.76/856,111.52
  6. Step 6: Final answer
    x = 337,586.26

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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.