Home / 776,675.43-1,165,145.99-355,987.35

Finding the Fourth Proportional to 776,675.43, 1,165,145.99 and 355,987.35

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Solution

The fourth proportional to 776,675.43, 1,165,145.99 and 355,987.35 is: 534,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,675.43 : 1,165,145.99 = 355,987.35 : x
  2. Step 2: Convert to fraction form
    776,675.43/1,165,145.99 = 355,987.35/x
  3. Step 3: Cross multiply
    776,675.43x = 1,165,145.99 × 355,987.35
  4. Step 4: Simplify right side
    776,675.43x = 414,777,231,563.29
  5. Step 5: Solve for x
    x = 414,777,231,563.29/776,675.43
  6. Step 6: Final answer
    x = 534,041.91

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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.