Home / 758,845.28-1,047,313.31-483,115.07

Finding the Fourth Proportional to 758,845.28, 1,047,313.31 and 483,115.07

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Solution

The fourth proportional to 758,845.28, 1,047,313.31 and 483,115.07 is: 666,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,845.28 : 1,047,313.31 = 483,115.07 : x
  2. Step 2: Convert to fraction form
    758,845.28/1,047,313.31 = 483,115.07/x
  3. Step 3: Cross multiply
    758,845.28x = 1,047,313.31 × 483,115.07
  4. Step 4: Simplify right side
    758,845.28x = 505,972,843,072.58
  5. Step 5: Solve for x
    x = 505,972,843,072.58/758,845.28
  6. Step 6: Final answer
    x = 666,766.81

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1.5x scale

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.