Home / 839,709.36-1,260,051.76-353,355.62

Finding the Fourth Proportional to 839,709.36, 1,260,051.76 and 353,355.62

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Solution

The fourth proportional to 839,709.36, 1,260,051.76 and 353,355.62 is: 530,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,709.36 : 1,260,051.76 = 353,355.62 : x
  2. Step 2: Convert to fraction form
    839,709.36/1,260,051.76 = 353,355.62/x
  3. Step 3: Cross multiply
    839,709.36x = 1,260,051.76 × 353,355.62
  4. Step 4: Simplify right side
    839,709.36x = 445,246,370,886.89
  5. Step 5: Solve for x
    x = 445,246,370,886.89/839,709.36
  6. Step 6: Final answer
    x = 530,238.67

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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.