Home / 826,982.88-1,240,723.43-258,341.01

Finding the Fourth Proportional to 826,982.88, 1,240,723.43 and 258,341.01

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Solution

The fourth proportional to 826,982.88, 1,240,723.43 and 258,341.01 is: 387,589.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,982.88 : 1,240,723.43 = 258,341.01 : x
  2. Step 2: Convert to fraction form
    826,982.88/1,240,723.43 = 258,341.01/x
  3. Step 3: Cross multiply
    826,982.88x = 1,240,723.43 × 258,341.01
  4. Step 4: Simplify right side
    826,982.88x = 320,529,744,036.86
  5. Step 5: Solve for x
    x = 320,529,744,036.86/826,982.88
  6. Step 6: Final answer
    x = 387,589.33

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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.