Home / 843,742.40-1,265,244.32-252,628.16

Finding the Fourth Proportional to 843,742.40, 1,265,244.32 and 252,628.16

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Solution

The fourth proportional to 843,742.40, 1,265,244.32 and 252,628.16 is: 378,831.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,742.40 : 1,265,244.32 = 252,628.16 : x
  2. Step 2: Convert to fraction form
    843,742.40/1,265,244.32 = 252,628.16/x
  3. Step 3: Cross multiply
    843,742.40x = 1,265,244.32 × 252,628.16
  4. Step 4: Simplify right side
    843,742.40x = 319,636,344,512.05
  5. Step 5: Solve for x
    x = 319,636,344,512.05/843,742.40
  6. Step 6: Final answer
    x = 378,831.67

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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.