Home / 734,824.02-1,102,305.75-285,579.60

Finding the Fourth Proportional to 734,824.02, 1,102,305.75 and 285,579.60

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Solution

The fourth proportional to 734,824.02, 1,102,305.75 and 285,579.60 is: 428,396.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,824.02 : 1,102,305.75 = 285,579.60 : x
  2. Step 2: Convert to fraction form
    734,824.02/1,102,305.75 = 285,579.60/x
  3. Step 3: Cross multiply
    734,824.02x = 1,102,305.75 × 285,579.60
  4. Step 4: Simplify right side
    734,824.02x = 314,796,035,162.70
  5. Step 5: Solve for x
    x = 314,796,035,162.70/734,824.02
  6. Step 6: Final answer
    x = 428,396.50

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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.