Finding the Fourth Proportional to 762,273.99, 1,051,930.80 and 418,102.76
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Solution
The fourth proportional to 762,273.99, 1,051,930.80 and 418,102.76 is: 576,977.80
Step by Step Solution
- Step 1: Write the proportion equation
762,273.99 : 1,051,930.80 = 418,102.76 : x - Step 2: Convert to fraction form
762,273.99/1,051,930.80 = 418,102.76/x - Step 3: Cross multiply
762,273.99x = 1,051,930.80 × 418,102.76 - Step 4: Simplify right side
762,273.99x = 439,815,173,438.84 - Step 5: Solve for x
x = 439,815,173,438.84/762,273.99 - Step 6: Final answer
x = 576,977.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.