Home / 912,575.64-1,369,056.22-343,944.68

Finding the Fourth Proportional to 912,575.64, 1,369,056.22 and 343,944.68

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Solution

The fourth proportional to 912,575.64, 1,369,056.22 and 343,944.68 is: 515,989.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,575.64 : 1,369,056.22 = 343,944.68 : x
  2. Step 2: Convert to fraction form
    912,575.64/1,369,056.22 = 343,944.68/x
  3. Step 3: Cross multiply
    912,575.64x = 1,369,056.22 × 343,944.68
  4. Step 4: Simplify right side
    912,575.64x = 470,879,603,489.91
  5. Step 5: Solve for x
    x = 470,879,603,489.91/912,575.64
  6. Step 6: Final answer
    x = 515,989.67

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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.