Home / 839,762.94-1,158,871.86-457,789.73

Finding the Fourth Proportional to 839,762.94, 1,158,871.86 and 457,789.73

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Solution

The fourth proportional to 839,762.94, 1,158,871.86 and 457,789.73 is: 631,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,762.94 : 1,158,871.86 = 457,789.73 : x
  2. Step 2: Convert to fraction form
    839,762.94/1,158,871.86 = 457,789.73/x
  3. Step 3: Cross multiply
    839,762.94x = 1,158,871.86 × 457,789.73
  4. Step 4: Simplify right side
    839,762.94x = 530,519,630,099.64
  5. Step 5: Solve for x
    x = 530,519,630,099.64/839,762.94
  6. Step 6: Final answer
    x = 631,749.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.