Home / 776,336.85-1,163,812.73-302,912.10

Finding the Fourth Proportional to 776,336.85, 1,163,812.73 and 302,912.10

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Solution

The fourth proportional to 776,336.85, 1,163,812.73 and 302,912.10 is: 454,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,336.85 : 1,163,812.73 = 302,912.10 : x
  2. Step 2: Convert to fraction form
    776,336.85/1,163,812.73 = 302,912.10/x
  3. Step 3: Cross multiply
    776,336.85x = 1,163,812.73 × 302,912.10
  4. Step 4: Simplify right side
    776,336.85x = 352,532,956,536.47
  5. Step 5: Solve for x
    x = 352,532,956,536.47/776,336.85
  6. Step 6: Final answer
    x = 454,097.93

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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.