Home / 916,306.68-1,374,657.42-276,556.86

Finding the Fourth Proportional to 916,306.68, 1,374,657.42 and 276,556.86

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Solution

The fourth proportional to 916,306.68, 1,374,657.42 and 276,556.86 is: 414,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,306.68 : 1,374,657.42 = 276,556.86 : x
  2. Step 2: Convert to fraction form
    916,306.68/1,374,657.42 = 276,556.86/x
  3. Step 3: Cross multiply
    916,306.68x = 1,374,657.42 × 276,556.86
  4. Step 4: Simplify right side
    916,306.68x = 380,170,939,650.90
  5. Step 5: Solve for x
    x = 380,170,939,650.90/916,306.68
  6. Step 6: Final answer
    x = 414,894.87

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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.