Home / 759,217.87-1,047,679.54-419,664.25

Finding the Fourth Proportional to 759,217.87, 1,047,679.54 and 419,664.25

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Solution

The fourth proportional to 759,217.87, 1,047,679.54 and 419,664.25 is: 579,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,217.87 : 1,047,679.54 = 419,664.25 : x
  2. Step 2: Convert to fraction form
    759,217.87/1,047,679.54 = 419,664.25/x
  3. Step 3: Cross multiply
    759,217.87x = 1,047,679.54 × 419,664.25
  4. Step 4: Simplify right side
    759,217.87x = 439,673,648,394.45
  5. Step 5: Solve for x
    x = 439,673,648,394.45/759,217.87
  6. Step 6: Final answer
    x = 579,113.94

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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.