Home / 855,237.10-1,180,147.02-511,004.48

Finding the Fourth Proportional to 855,237.10, 1,180,147.02 and 511,004.48

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Solution

The fourth proportional to 855,237.10, 1,180,147.02 and 511,004.48 is: 705,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,237.10 : 1,180,147.02 = 511,004.48 : x
  2. Step 2: Convert to fraction form
    855,237.10/1,180,147.02 = 511,004.48/x
  3. Step 3: Cross multiply
    855,237.10x = 1,180,147.02 × 511,004.48
  4. Step 4: Simplify right side
    855,237.10x = 603,060,414,278.65
  5. Step 5: Solve for x
    x = 603,060,414,278.65/855,237.10
  6. Step 6: Final answer
    x = 705,138.28

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1.5x scale

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.