Home / 915,674.96-1,373,249.72-276,041.04

Finding the Fourth Proportional to 915,674.96, 1,373,249.72 and 276,041.04

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Solution

The fourth proportional to 915,674.96, 1,373,249.72 and 276,041.04 is: 413,982.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,674.96 : 1,373,249.72 = 276,041.04 : x
  2. Step 2: Convert to fraction form
    915,674.96/1,373,249.72 = 276,041.04/x
  3. Step 3: Cross multiply
    915,674.96x = 1,373,249.72 × 276,041.04
  4. Step 4: Simplify right side
    915,674.96x = 379,073,280,888.51
  5. Step 5: Solve for x
    x = 379,073,280,888.51/915,674.96
  6. Step 6: Final answer
    x = 413,982.36

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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.