Home / 804,538.76-1,207,317.23-449,785.49

Finding the Fourth Proportional to 804,538.76, 1,207,317.23 and 449,785.49

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Solution

The fourth proportional to 804,538.76, 1,207,317.23 and 449,785.49 is: 674,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,538.76 : 1,207,317.23 = 449,785.49 : x
  2. Step 2: Convert to fraction form
    804,538.76/1,207,317.23 = 449,785.49/x
  3. Step 3: Cross multiply
    804,538.76x = 1,207,317.23 × 449,785.49
  4. Step 4: Simplify right side
    804,538.76x = 543,033,771,880.99
  5. Step 5: Solve for x
    x = 543,033,771,880.99/804,538.76
  6. Step 6: Final answer
    x = 674,962.85

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Double scale
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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.