Home / 759,726-1,048,454.82-420,194.52

Finding the Fourth Proportional to 759,726, 1,048,454.82 and 420,194.52

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Solution

The fourth proportional to 759,726, 1,048,454.82 and 420,194.52 is: 579,886.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,726 : 1,048,454.82 = 420,194.52 : x
  2. Step 2: Convert to fraction form
    759,726/1,048,454.82 = 420,194.52/x
  3. Step 3: Cross multiply
    759,726x = 1,048,454.82 × 420,194.52
  4. Step 4: Simplify right side
    759,726x = 440,554,969,831.59
  5. Step 5: Solve for x
    x = 440,554,969,831.59/759,726
  6. Step 6: Final answer
    x = 579,886.66

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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.