Home / 804,533.76-1,207,309.74-449,780.50

Finding the Fourth Proportional to 804,533.76, 1,207,309.74 and 449,780.50

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Solution

The fourth proportional to 804,533.76, 1,207,309.74 and 449,780.50 is: 674,955.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,533.76 : 1,207,309.74 = 449,780.50 : x
  2. Step 2: Convert to fraction form
    804,533.76/1,207,309.74 = 449,780.50/x
  3. Step 3: Cross multiply
    804,533.76x = 1,207,309.74 × 449,780.50
  4. Step 4: Simplify right side
    804,533.76x = 543,024,378,512.07
  5. Step 5: Solve for x
    x = 543,024,378,512.07/804,533.76
  6. Step 6: Final answer
    x = 674,955.37

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1.5x scale

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.