Home / 778,777.46-1,168,289.70-329,501.67

Finding the Fourth Proportional to 778,777.46, 1,168,289.70 and 329,501.67

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Solution

The fourth proportional to 778,777.46, 1,168,289.70 and 329,501.67 is: 494,304.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,777.46 : 1,168,289.70 = 329,501.67 : x
  2. Step 2: Convert to fraction form
    778,777.46/1,168,289.70 = 329,501.67/x
  3. Step 3: Cross multiply
    778,777.46x = 1,168,289.70 × 329,501.67
  4. Step 4: Simplify right side
    778,777.46x = 384,953,410,928.88
  5. Step 5: Solve for x
    x = 384,953,410,928.88/778,777.46
  6. Step 6: Final answer
    x = 494,304.77

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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.