Home / 893,946.70-1,340,889.96-388,507.73

Finding the Fourth Proportional to 893,946.70, 1,340,889.96 and 388,507.73

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Solution

The fourth proportional to 893,946.70, 1,340,889.96 and 388,507.73 is: 582,748.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,946.70 : 1,340,889.96 = 388,507.73 : x
  2. Step 2: Convert to fraction form
    893,946.70/1,340,889.96 = 388,507.73/x
  3. Step 3: Cross multiply
    893,946.70x = 1,340,889.96 × 388,507.73
  4. Step 4: Simplify right side
    893,946.70x = 520,946,114,539.39
  5. Step 5: Solve for x
    x = 520,946,114,539.39/893,946.70
  6. Step 6: Final answer
    x = 582,748.52

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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.