Finding the Fourth Proportional to 683,855.99, 943,851.66 and 450,873.85
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Solution
The fourth proportional to 683,855.99, 943,851.66 and 450,873.85 is: 622,291.88
Step by Step Solution
- Step 1: Write the proportion equation
683,855.99 : 943,851.66 = 450,873.85 : x - Step 2: Convert to fraction form
683,855.99/943,851.66 = 450,873.85/x - Step 3: Cross multiply
683,855.99x = 943,851.66 × 450,873.85 - Step 4: Simplify right side
683,855.99x = 425,558,031,773.09 - Step 5: Solve for x
x = 425,558,031,773.09/683,855.99 - Step 6: Final answer
x = 622,291.88
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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.