Home / 751,219.12-1,036,738.56-464,905.72

Finding the Fourth Proportional to 751,219.12, 1,036,738.56 and 464,905.72

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Solution

The fourth proportional to 751,219.12, 1,036,738.56 and 464,905.72 is: 641,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,219.12 : 1,036,738.56 = 464,905.72 : x
  2. Step 2: Convert to fraction form
    751,219.12/1,036,738.56 = 464,905.72/x
  3. Step 3: Cross multiply
    751,219.12x = 1,036,738.56 × 464,905.72
  4. Step 4: Simplify right side
    751,219.12x = 481,985,686,688.56
  5. Step 5: Solve for x
    x = 481,985,686,688.56/751,219.12
  6. Step 6: Final answer
    x = 641,604.66

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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.