Home / 767,827.80-1,151,741.70-394,579.80

Finding the Fourth Proportional to 767,827.80, 1,151,741.70 and 394,579.80

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Solution

The fourth proportional to 767,827.80, 1,151,741.70 and 394,579.80 is: 591,869.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,827.80 : 1,151,741.70 = 394,579.80 : x
  2. Step 2: Convert to fraction form
    767,827.80/1,151,741.70 = 394,579.80/x
  3. Step 3: Cross multiply
    767,827.80x = 1,151,741.70 × 394,579.80
  4. Step 4: Simplify right side
    767,827.80x = 454,454,009,637.66
  5. Step 5: Solve for x
    x = 454,454,009,637.66/767,827.80
  6. Step 6: Final answer
    x = 591,869.70

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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.