Home / 759,348.32-1,047,858.80-419,796.32

Finding the Fourth Proportional to 759,348.32, 1,047,858.80 and 419,796.32

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Solution

The fourth proportional to 759,348.32, 1,047,858.80 and 419,796.32 is: 579,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,348.32 : 1,047,858.80 = 419,796.32 : x
  2. Step 2: Convert to fraction form
    759,348.32/1,047,858.80 = 419,796.32/x
  3. Step 3: Cross multiply
    759,348.32x = 1,047,858.80 × 419,796.32
  4. Step 4: Simplify right side
    759,348.32x = 439,887,268,119.62
  5. Step 5: Solve for x
    x = 439,887,268,119.62/759,348.32
  6. Step 6: Final answer
    x = 579,295.77

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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.