Home / 786,828.28-1,180,241.34-313,845.76

Finding the Fourth Proportional to 786,828.28, 1,180,241.34 and 313,845.76

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Solution

The fourth proportional to 786,828.28, 1,180,241.34 and 313,845.76 is: 470,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,828.28 : 1,180,241.34 = 313,845.76 : x
  2. Step 2: Convert to fraction form
    786,828.28/1,180,241.34 = 313,845.76/x
  3. Step 3: Cross multiply
    786,828.28x = 1,180,241.34 × 313,845.76
  4. Step 4: Simplify right side
    786,828.28x = 370,413,740,335.72
  5. Step 5: Solve for x
    x = 370,413,740,335.72/786,828.28
  6. Step 6: Final answer
    x = 470,768.21

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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.