Home / 855,240.10-1,180,151.16-511,007.50

Finding the Fourth Proportional to 855,240.10, 1,180,151.16 and 511,007.50

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Solution

The fourth proportional to 855,240.10, 1,180,151.16 and 511,007.50 is: 705,142.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,240.10 : 1,180,151.16 = 511,007.50 : x
  2. Step 2: Convert to fraction form
    855,240.10/1,180,151.16 = 511,007.50/x
  3. Step 3: Cross multiply
    855,240.10x = 1,180,151.16 × 511,007.50
  4. Step 4: Simplify right side
    855,240.10x = 603,066,093,893.70
  5. Step 5: Solve for x
    x = 603,066,093,893.70/855,240.10
  6. Step 6: Final answer
    x = 705,142.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.