Home / 780,380.48-1,170,908.50-275,302.56

Finding the Fourth Proportional to 780,380.48, 1,170,908.50 and 275,302.56

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Solution

The fourth proportional to 780,380.48, 1,170,908.50 and 275,302.56 is: 413,073.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,380.48 : 1,170,908.50 = 275,302.56 : x
  2. Step 2: Convert to fraction form
    780,380.48/1,170,908.50 = 275,302.56/x
  3. Step 3: Cross multiply
    780,380.48x = 1,170,908.50 × 275,302.56
  4. Step 4: Simplify right side
    780,380.48x = 322,354,107,575.76
  5. Step 5: Solve for x
    x = 322,354,107,575.76/780,380.48
  6. Step 6: Final answer
    x = 413,073.00

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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.