Home / 649,865.28-974,487.92-380,069.44

Finding the Fourth Proportional to 649,865.28, 974,487.92 and 380,069.44

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Solution

The fourth proportional to 649,865.28, 974,487.92 and 380,069.44 is: 569,922.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,865.28 : 974,487.92 = 380,069.44 : x
  2. Step 2: Convert to fraction form
    649,865.28/974,487.92 = 380,069.44/x
  3. Step 3: Cross multiply
    649,865.28x = 974,487.92 × 380,069.44
  4. Step 4: Simplify right side
    649,865.28x = 370,373,078,041.17
  5. Step 5: Solve for x
    x = 370,373,078,041.17/649,865.28
  6. Step 6: Final answer
    x = 569,922.86

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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.