Home / 734,124.80-1,100,861.78-392,485.34

Finding the Fourth Proportional to 734,124.80, 1,100,861.78 and 392,485.34

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Solution

The fourth proportional to 734,124.80, 1,100,861.78 and 392,485.34 is: 588,554.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,124.80 : 1,100,861.78 = 392,485.34 : x
  2. Step 2: Convert to fraction form
    734,124.80/1,100,861.78 = 392,485.34/x
  3. Step 3: Cross multiply
    734,124.80x = 1,100,861.78 × 392,485.34
  4. Step 4: Simplify right side
    734,124.80x = 432,072,110,806.03
  5. Step 5: Solve for x
    x = 432,072,110,806.03/734,124.80
  6. Step 6: Final answer
    x = 588,554.03

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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.