Home / 377,414.36-520,746.30-275,495.36

Finding the Fourth Proportional to 377,414.36, 520,746.30 and 275,495.36

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Solution

The fourth proportional to 377,414.36, 520,746.30 and 275,495.36 is: 380,121.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,414.36 : 520,746.30 = 275,495.36 : x
  2. Step 2: Convert to fraction form
    377,414.36/520,746.30 = 275,495.36/x
  3. Step 3: Cross multiply
    377,414.36x = 520,746.30 × 275,495.36
  4. Step 4: Simplify right side
    377,414.36x = 143,463,189,387.17
  5. Step 5: Solve for x
    x = 143,463,189,387.17/377,414.36
  6. Step 6: Final answer
    x = 380,121.17

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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.