Finding the Fourth Proportional to 692,313.12, 1,039,057.20 and 271,882.08
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Solution
The fourth proportional to 692,313.12, 1,039,057.20 and 271,882.08 is: 408,053.85
Step by Step Solution
- Step 1: Write the proportion equation
692,313.12 : 1,039,057.20 = 271,882.08 : x - Step 2: Convert to fraction form
692,313.12/1,039,057.20 = 271,882.08/x - Step 3: Cross multiply
692,313.12x = 1,039,057.20 × 271,882.08 - Step 4: Simplify right side
692,313.12x = 282,501,032,774.98 - Step 5: Solve for x
x = 282,501,032,774.98/692,313.12 - Step 6: Final answer
x = 408,053.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.