Home / 489,525.07-734,291.27-185,837.39

Finding the Fourth Proportional to 489,525.07, 734,291.27 and 185,837.39

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Solution

The fourth proportional to 489,525.07, 734,291.27 and 185,837.39 is: 278,757.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,525.07 : 734,291.27 = 185,837.39 : x
  2. Step 2: Convert to fraction form
    489,525.07/734,291.27 = 185,837.39/x
  3. Step 3: Cross multiply
    489,525.07x = 734,291.27 × 185,837.39
  4. Step 4: Simplify right side
    489,525.07x = 136,458,773,011.76
  5. Step 5: Solve for x
    x = 136,458,773,011.76/489,525.07
  6. Step 6: Final answer
    x = 278,757.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.