Home / 734,309.20-1,100,945.40-284,856.40

Finding the Fourth Proportional to 734,309.20, 1,100,945.40 and 284,856.40

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Solution

The fourth proportional to 734,309.20, 1,100,945.40 and 284,856.40 is: 427,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,309.20 : 1,100,945.40 = 284,856.40 : x
  2. Step 2: Convert to fraction form
    734,309.20/1,100,945.40 = 284,856.40/x
  3. Step 3: Cross multiply
    734,309.20x = 1,100,945.40 × 284,856.40
  4. Step 4: Simplify right side
    734,309.20x = 313,611,343,240.56
  5. Step 5: Solve for x
    x = 313,611,343,240.56/734,309.20
  6. Step 6: Final answer
    x = 427,083.50

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Double scale
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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.