Home / 774,318.64-1,068,460.44-451,954.80

Finding the Fourth Proportional to 774,318.64, 1,068,460.44 and 451,954.80

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Solution

The fourth proportional to 774,318.64, 1,068,460.44 and 451,954.80 is: 623,639.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,318.64 : 1,068,460.44 = 451,954.80 : x
  2. Step 2: Convert to fraction form
    774,318.64/1,068,460.44 = 451,954.80/x
  3. Step 3: Cross multiply
    774,318.64x = 1,068,460.44 × 451,954.80
  4. Step 4: Simplify right side
    774,318.64x = 482,895,824,468.11
  5. Step 5: Solve for x
    x = 482,895,824,468.11/774,318.64
  6. Step 6: Final answer
    x = 623,639.67

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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.