Home / 759,081.44-1,047,586.72-419,542.40

Finding the Fourth Proportional to 759,081.44, 1,047,586.72 and 419,542.40

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Solution

The fourth proportional to 759,081.44, 1,047,586.72 and 419,542.40 is: 578,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,081.44 : 1,047,586.72 = 419,542.40 : x
  2. Step 2: Convert to fraction form
    759,081.44/1,047,586.72 = 419,542.40/x
  3. Step 3: Cross multiply
    759,081.44x = 1,047,586.72 × 419,542.40
  4. Step 4: Simplify right side
    759,081.44x = 439,507,046,716.93
  5. Step 5: Solve for x
    x = 439,507,046,716.93/759,081.44
  6. Step 6: Final answer
    x = 578,998.54

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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.