Home / 756,518.94-1,134,913.07-251,109.72

Finding the Fourth Proportional to 756,518.94, 1,134,913.07 and 251,109.72

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Solution

The fourth proportional to 756,518.94, 1,134,913.07 and 251,109.72 is: 376,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,518.94 : 1,134,913.07 = 251,109.72 : x
  2. Step 2: Convert to fraction form
    756,518.94/1,134,913.07 = 251,109.72/x
  3. Step 3: Cross multiply
    756,518.94x = 1,134,913.07 × 251,109.72
  4. Step 4: Simplify right side
    756,518.94x = 284,987,703,859.82
  5. Step 5: Solve for x
    x = 284,987,703,859.82/756,518.94
  6. Step 6: Final answer
    x = 376,709.28

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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.