Home / 753,788.50-1,131,201.15-310,556.50

Finding the Fourth Proportional to 753,788.50, 1,131,201.15 and 310,556.50

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Solution

The fourth proportional to 753,788.50, 1,131,201.15 and 310,556.50 is: 466,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,788.50 : 1,131,201.15 = 310,556.50 : x
  2. Step 2: Convert to fraction form
    753,788.50/1,131,201.15 = 310,556.50/x
  3. Step 3: Cross multiply
    753,788.50x = 1,131,201.15 × 310,556.50
  4. Step 4: Simplify right side
    753,788.50x = 351,301,869,939.98
  5. Step 5: Solve for x
    x = 351,301,869,939.98/753,788.50
  6. Step 6: Final answer
    x = 466,048.33

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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.