Finding the Fourth Proportional to 982,951.20, 1,474,427.34 and 272,979.18
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Solution
The fourth proportional to 982,951.20, 1,474,427.34 and 272,979.18 is: 409,468.92
Step by Step Solution
- Step 1: Write the proportion equation
982,951.20 : 1,474,427.34 = 272,979.18 : x - Step 2: Convert to fraction form
982,951.20/1,474,427.34 = 272,979.18/x - Step 3: Cross multiply
982,951.20x = 1,474,427.34 × 272,979.18 - Step 4: Simplify right side
982,951.20x = 402,487,966,242.78 - Step 5: Solve for x
x = 402,487,966,242.78/982,951.20 - Step 6: Final answer
x = 409,468.92
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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.