Home / 818,749-1,226,765.78-497,930.48

Finding the Fourth Proportional to 818,749, 1,226,765.78 and 497,930.48

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Solution

The fourth proportional to 818,749, 1,226,765.78 and 497,930.48 is: 746,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,749 : 1,226,765.78 = 497,930.48 : x
  2. Step 2: Convert to fraction form
    818,749/1,226,765.78 = 497,930.48/x
  3. Step 3: Cross multiply
    818,749x = 1,226,765.78 × 497,930.48
  4. Step 4: Simplify right side
    818,749x = 610,844,073,682.97
  5. Step 5: Solve for x
    x = 610,844,073,682.97/818,749
  6. Step 6: Final answer
    x = 746,070.01

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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.