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Finding the Fourth Proportional to 608,475.44, 839,727.60 and 350,390.72

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Solution

The fourth proportional to 608,475.44, 839,727.60 and 350,390.72 is: 483,557.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,475.44 : 839,727.60 = 350,390.72 : x
  2. Step 2: Convert to fraction form
    608,475.44/839,727.60 = 350,390.72/x
  3. Step 3: Cross multiply
    608,475.44x = 839,727.60 × 350,390.72
  4. Step 4: Simplify right side
    608,475.44x = 294,232,758,367.87
  5. Step 5: Solve for x
    x = 294,232,758,367.87/608,475.44
  6. Step 6: Final answer
    x = 483,557.33

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1.5x scale

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.