Finding the Fourth Proportional to 643,101.52, 965,062.68 and 453,444.88
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Solution
The fourth proportional to 643,101.52, 965,062.68 and 453,444.88 is: 680,456.69
Step by Step Solution
- Step 1: Write the proportion equation
643,101.52 : 965,062.68 = 453,444.88 : x - Step 2: Convert to fraction form
643,101.52/965,062.68 = 453,444.88/x - Step 3: Cross multiply
643,101.52x = 965,062.68 × 453,444.88 - Step 4: Simplify right side
643,101.52x = 437,602,731,125.08 - Step 5: Solve for x
x = 437,602,731,125.08/643,101.52 - Step 6: Final answer
x = 680,456.69
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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.