Home / 804,533.76-1,207,309.74-449,780.49

Finding the Fourth Proportional to 804,533.76, 1,207,309.74 and 449,780.49

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Solution

The fourth proportional to 804,533.76, 1,207,309.74 and 449,780.49 is: 674,955.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,533.76 : 1,207,309.74 = 449,780.49 : x
  2. Step 2: Convert to fraction form
    804,533.76/1,207,309.74 = 449,780.49/x
  3. Step 3: Cross multiply
    804,533.76x = 1,207,309.74 × 449,780.49
  4. Step 4: Simplify right side
    804,533.76x = 543,024,366,438.97
  5. Step 5: Solve for x
    x = 543,024,366,438.97/804,533.76
  6. Step 6: Final answer
    x = 674,955.35

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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.