Home / 759,379.88-1,047,959.39-415,237.34

Finding the Fourth Proportional to 759,379.88, 1,047,959.39 and 415,237.34

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Solution

The fourth proportional to 759,379.88, 1,047,959.39 and 415,237.34 is: 573,035.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,379.88 : 1,047,959.39 = 415,237.34 : x
  2. Step 2: Convert to fraction form
    759,379.88/1,047,959.39 = 415,237.34/x
  3. Step 3: Cross multiply
    759,379.88x = 1,047,959.39 × 415,237.34
  4. Step 4: Simplify right side
    759,379.88x = 435,151,873,189.61
  5. Step 5: Solve for x
    x = 435,151,873,189.61/759,379.88
  6. Step 6: Final answer
    x = 573,035.82

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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.