Finding the Fourth Proportional to 531,317.99, 733,197.34 and 289,595.36
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Solution
The fourth proportional to 531,317.99, 733,197.34 and 289,595.36 is: 399,629.89
Step by Step Solution
- Step 1: Write the proportion equation
531,317.99 : 733,197.34 = 289,595.36 : x - Step 2: Convert to fraction form
531,317.99/733,197.34 = 289,595.36/x - Step 3: Cross multiply
531,317.99x = 733,197.34 × 289,595.36 - Step 4: Simplify right side
531,317.99x = 212,330,547,628.34 - Step 5: Solve for x
x = 212,330,547,628.34/531,317.99 - Step 6: Final answer
x = 399,629.89
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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.