Home / 822,072.09-1,134,483.38-449,556.91

Finding the Fourth Proportional to 822,072.09, 1,134,483.38 and 449,556.91

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Solution

The fourth proportional to 822,072.09, 1,134,483.38 and 449,556.91 is: 620,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,072.09 : 1,134,483.38 = 449,556.91 : x
  2. Step 2: Convert to fraction form
    822,072.09/1,134,483.38 = 449,556.91/x
  3. Step 3: Cross multiply
    822,072.09x = 1,134,483.38 × 449,556.91
  4. Step 4: Simplify right side
    822,072.09x = 510,014,841,046.84
  5. Step 5: Solve for x
    x = 510,014,841,046.84/822,072.09
  6. Step 6: Final answer
    x = 620,401.60

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1.5x scale

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.