Home / 744,289.56-1,116,581.85-211,831.56

Finding the Fourth Proportional to 744,289.56, 1,116,581.85 and 211,831.56

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Solution

The fourth proportional to 744,289.56, 1,116,581.85 and 211,831.56 is: 317,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,289.56 : 1,116,581.85 = 211,831.56 : x
  2. Step 2: Convert to fraction form
    744,289.56/1,116,581.85 = 211,831.56/x
  3. Step 3: Cross multiply
    744,289.56x = 1,116,581.85 × 211,831.56
  4. Step 4: Simplify right side
    744,289.56x = 236,527,275,153.19
  5. Step 5: Solve for x
    x = 236,527,275,153.19/744,289.56
  6. Step 6: Final answer
    x = 317,789.32

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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.