Home / 846,556.36-1,269,756.78-285,595.72

Finding the Fourth Proportional to 846,556.36, 1,269,756.78 and 285,595.72

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Solution

The fourth proportional to 846,556.36, 1,269,756.78 and 285,595.72 is: 428,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,556.36 : 1,269,756.78 = 285,595.72 : x
  2. Step 2: Convert to fraction form
    846,556.36/1,269,756.78 = 285,595.72/x
  3. Step 3: Cross multiply
    846,556.36x = 1,269,756.78 × 285,595.72
  4. Step 4: Simplify right side
    846,556.36x = 362,637,101,808.98
  5. Step 5: Solve for x
    x = 362,637,101,808.98/846,556.36
  6. Step 6: Final answer
    x = 428,367.35

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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.