Home / 804,916.70-1,207,375.05-431,668.70

Finding the Fourth Proportional to 804,916.70, 1,207,375.05 and 431,668.70

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Solution

The fourth proportional to 804,916.70, 1,207,375.05 and 431,668.70 is: 647,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,916.70 : 1,207,375.05 = 431,668.70 : x
  2. Step 2: Convert to fraction form
    804,916.70/1,207,375.05 = 431,668.70/x
  3. Step 3: Cross multiply
    804,916.70x = 1,207,375.05 × 431,668.70
  4. Step 4: Simplify right side
    804,916.70x = 521,186,018,245.94
  5. Step 5: Solve for x
    x = 521,186,018,245.94/804,916.70
  6. Step 6: Final answer
    x = 647,503.05

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Similar ratio
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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.