Home / 759,215.37-1,047,676.10-419,661.75

Finding the Fourth Proportional to 759,215.37, 1,047,676.10 and 419,661.75

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Solution

The fourth proportional to 759,215.37, 1,047,676.10 and 419,661.75 is: 579,110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,215.37 : 1,047,676.10 = 419,661.75 : x
  2. Step 2: Convert to fraction form
    759,215.37/1,047,676.10 = 419,661.75/x
  3. Step 3: Cross multiply
    759,215.37x = 1,047,676.10 × 419,661.75
  4. Step 4: Simplify right side
    759,215.37x = 439,669,583,460.87
  5. Step 5: Solve for x
    x = 439,669,583,460.87/759,215.37
  6. Step 6: Final answer
    x = 579,110.49

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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.