Home / 842,409.27-1,162,507.66-460,438.78

Finding the Fourth Proportional to 842,409.27, 1,162,507.66 and 460,438.78

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Solution

The fourth proportional to 842,409.27, 1,162,507.66 and 460,438.78 is: 635,396.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,409.27 : 1,162,507.66 = 460,438.78 : x
  2. Step 2: Convert to fraction form
    842,409.27/1,162,507.66 = 460,438.78/x
  3. Step 3: Cross multiply
    842,409.27x = 1,162,507.66 × 460,438.78
  4. Step 4: Simplify right side
    842,409.27x = 535,263,606,408.86
  5. Step 5: Solve for x
    x = 535,263,606,408.86/842,409.27
  6. Step 6: Final answer
    x = 635,396.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.