Finding the Fourth Proportional to 887,663.12, 1,331,442.68 and 256,562.96
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Solution
The fourth proportional to 887,663.12, 1,331,442.68 and 256,562.96 is: 384,829.41
Step by Step Solution
- Step 1: Write the proportion equation
887,663.12 : 1,331,442.68 = 256,562.96 : x - Step 2: Convert to fraction form
887,663.12/1,331,442.68 = 256,562.96/x - Step 3: Cross multiply
887,663.12x = 1,331,442.68 × 256,562.96 - Step 4: Simplify right side
887,663.12x = 341,598,875,051.13 - Step 5: Solve for x
x = 341,598,875,051.13/887,663.12 - Step 6: Final answer
x = 384,829.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.