Home / 759,268-1,047,698.88-419,690.08

Finding the Fourth Proportional to 759,268, 1,047,698.88 and 419,690.08

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Solution

The fourth proportional to 759,268, 1,047,698.88 and 419,690.08 is: 579,122.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,268 : 1,047,698.88 = 419,690.08 : x
  2. Step 2: Convert to fraction form
    759,268/1,047,698.88 = 419,690.08/x
  3. Step 3: Cross multiply
    759,268x = 1,047,698.88 × 419,690.08
  4. Step 4: Simplify right side
    759,268x = 439,708,826,763.11
  5. Step 5: Solve for x
    x = 439,708,826,763.11/759,268
  6. Step 6: Final answer
    x = 579,122.03

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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.