Home / 515,241.68-772,788.65-248,930.69

Finding the Fourth Proportional to 515,241.68, 772,788.65 and 248,930.69

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Solution

The fourth proportional to 515,241.68, 772,788.65 and 248,930.69 is: 373,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,241.68 : 772,788.65 = 248,930.69 : x
  2. Step 2: Convert to fraction form
    515,241.68/772,788.65 = 248,930.69/x
  3. Step 3: Cross multiply
    515,241.68x = 772,788.65 × 248,930.69
  4. Step 4: Simplify right side
    515,241.68x = 192,370,806,760.07
  5. Step 5: Solve for x
    x = 192,370,806,760.07/515,241.68
  6. Step 6: Final answer
    x = 373,360.34

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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.