Home / 804,537.76-1,207,315.74-449,784.50

Finding the Fourth Proportional to 804,537.76, 1,207,315.74 and 449,784.50

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Solution

The fourth proportional to 804,537.76, 1,207,315.74 and 449,784.50 is: 674,961.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,537.76 : 1,207,315.74 = 449,784.50 : x
  2. Step 2: Convert to fraction form
    804,537.76/1,207,315.74 = 449,784.50/x
  3. Step 3: Cross multiply
    804,537.76x = 1,207,315.74 × 449,784.50
  4. Step 4: Simplify right side
    804,537.76x = 543,031,906,458.03
  5. Step 5: Solve for x
    x = 543,031,906,458.03/804,537.76
  6. Step 6: Final answer
    x = 674,961.37

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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.