Finding the Fourth Proportional to 543,670.17, 750,324.36 and 311,118.63
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Solution
The fourth proportional to 543,670.17, 750,324.36 and 311,118.63 is: 429,377.77
Step by Step Solution
- Step 1: Write the proportion equation
543,670.17 : 750,324.36 = 311,118.63 : x - Step 2: Convert to fraction form
543,670.17/750,324.36 = 311,118.63/x - Step 3: Cross multiply
543,670.17x = 750,324.36 × 311,118.63 - Step 4: Simplify right side
543,670.17x = 233,439,886,938.83 - Step 5: Solve for x
x = 233,439,886,938.83/543,670.17 - Step 6: Final answer
x = 429,377.77
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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.