Home / 787,362.32-1,180,471.32-313,905.68

Finding the Fourth Proportional to 787,362.32, 1,180,471.32 and 313,905.68

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Solution

The fourth proportional to 787,362.32, 1,180,471.32 and 313,905.68 is: 470,630.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,362.32 : 1,180,471.32 = 313,905.68 : x
  2. Step 2: Convert to fraction form
    787,362.32/1,180,471.32 = 313,905.68/x
  3. Step 3: Cross multiply
    787,362.32x = 1,180,471.32 × 313,905.68
  4. Step 4: Simplify right side
    787,362.32x = 370,556,652,425.10
  5. Step 5: Solve for x
    x = 370,556,652,425.10/787,362.32
  6. Step 6: Final answer
    x = 470,630.41

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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.