Home / 384,742.14-577,112.04-270,419.28

Finding the Fourth Proportional to 384,742.14, 577,112.04 and 270,419.28

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Solution

The fourth proportional to 384,742.14, 577,112.04 and 270,419.28 is: 405,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,742.14 : 577,112.04 = 270,419.28 : x
  2. Step 2: Convert to fraction form
    384,742.14/577,112.04 = 270,419.28/x
  3. Step 3: Cross multiply
    384,742.14x = 577,112.04 × 270,419.28
  4. Step 4: Simplify right side
    384,742.14x = 156,062,220,171.96
  5. Step 5: Solve for x
    x = 156,062,220,171.96/384,742.14
  6. Step 6: Final answer
    x = 405,628.10

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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.