Finding the Fourth Proportional to 448,989.31, 620,280.01 and 294,307.75
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Solution
The fourth proportional to 448,989.31, 620,280.01 and 294,307.75 is: 406,586.99
Step by Step Solution
- Step 1: Write the proportion equation
448,989.31 : 620,280.01 = 294,307.75 : x - Step 2: Convert to fraction form
448,989.31/620,280.01 = 294,307.75/x - Step 3: Cross multiply
448,989.31x = 620,280.01 × 294,307.75 - Step 4: Simplify right side
448,989.31x = 182,553,214,113.08 - Step 5: Solve for x
x = 182,553,214,113.08/448,989.31 - Step 6: Final answer
x = 406,586.99
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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.