Home / 759,216.87-1,047,678.16-419,663.25

Finding the Fourth Proportional to 759,216.87, 1,047,678.16 and 419,663.25

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Solution

The fourth proportional to 759,216.87, 1,047,678.16 and 419,663.25 is: 579,112.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,216.87 : 1,047,678.16 = 419,663.25 : x
  2. Step 2: Convert to fraction form
    759,216.87/1,047,678.16 = 419,663.25/x
  3. Step 3: Cross multiply
    759,216.87x = 1,047,678.16 × 419,663.25
  4. Step 4: Simplify right side
    759,216.87x = 439,672,021,579.62
  5. Step 5: Solve for x
    x = 439,672,021,579.62/759,216.87
  6. Step 6: Final answer
    x = 579,112.56

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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.