Home / 764,111.61-1,054,480.37-477,797.67

Finding the Fourth Proportional to 764,111.61, 1,054,480.37 and 477,797.67

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Solution

The fourth proportional to 764,111.61, 1,054,480.37 and 477,797.67 is: 659,364.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,111.61 : 1,054,480.37 = 477,797.67 : x
  2. Step 2: Convert to fraction form
    764,111.61/1,054,480.37 = 477,797.67/x
  3. Step 3: Cross multiply
    764,111.61x = 1,054,480.37 × 477,797.67
  4. Step 4: Simplify right side
    764,111.61x = 503,828,261,457.75
  5. Step 5: Solve for x
    x = 503,828,261,457.75/764,111.61
  6. Step 6: Final answer
    x = 659,364.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.