Home / 893,945.70-1,340,888.46-388,506.73

Finding the Fourth Proportional to 893,945.70, 1,340,888.46 and 388,506.73

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Solution

The fourth proportional to 893,945.70, 1,340,888.46 and 388,506.73 is: 582,747.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,945.70 : 1,340,888.46 = 388,506.73 : x
  2. Step 2: Convert to fraction form
    893,945.70/1,340,888.46 = 388,506.73/x
  3. Step 3: Cross multiply
    893,945.70x = 1,340,888.46 × 388,506.73
  4. Step 4: Simplify right side
    893,945.70x = 520,944,190,889.34
  5. Step 5: Solve for x
    x = 520,944,190,889.34/893,945.70
  6. Step 6: Final answer
    x = 582,747.02

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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.