Home / 726,765.86-1,004,074.45-555,284

Finding the Fourth Proportional to 726,765.86, 1,004,074.45 and 555,284

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Solution

The fourth proportional to 726,765.86, 1,004,074.45 and 555,284 is: 767,161.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,765.86 : 1,004,074.45 = 555,284 : x
  2. Step 2: Convert to fraction form
    726,765.86/1,004,074.45 = 555,284/x
  3. Step 3: Cross multiply
    726,765.86x = 1,004,074.45 × 555,284
  4. Step 4: Simplify right side
    726,765.86x = 557,546,476,893.80
  5. Step 5: Solve for x
    x = 557,546,476,893.80/726,765.86
  6. Step 6: Final answer
    x = 767,161.07

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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.