Home / 839,035.37-1,257,576.60-479,458.21

Finding the Fourth Proportional to 839,035.37, 1,257,576.60 and 479,458.21

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Solution

The fourth proportional to 839,035.37, 1,257,576.60 and 479,458.21 is: 718,629.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,035.37 : 1,257,576.60 = 479,458.21 : x
  2. Step 2: Convert to fraction form
    839,035.37/1,257,576.60 = 479,458.21/x
  3. Step 3: Cross multiply
    839,035.37x = 1,257,576.60 × 479,458.21
  4. Step 4: Simplify right side
    839,035.37x = 602,955,425,573.89
  5. Step 5: Solve for x
    x = 602,955,425,573.89/839,035.37
  6. Step 6: Final answer
    x = 718,629.33

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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.