Home / 778,571.74-1,166,215.96-494,112.30

Finding the Fourth Proportional to 778,571.74, 1,166,215.96 and 494,112.30

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Solution

The fourth proportional to 778,571.74, 1,166,215.96 and 494,112.30 is: 740,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,571.74 : 1,166,215.96 = 494,112.30 : x
  2. Step 2: Convert to fraction form
    778,571.74/1,166,215.96 = 494,112.30/x
  3. Step 3: Cross multiply
    778,571.74x = 1,166,215.96 × 494,112.30
  4. Step 4: Simplify right side
    778,571.74x = 576,241,650,292.31
  5. Step 5: Solve for x
    x = 576,241,650,292.31/778,571.74
  6. Step 6: Final answer
    x = 740,126.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.