Finding the Fourth Proportional to 865,672.13, 1,194,605.26 and 483,702.05
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Solution
The fourth proportional to 865,672.13, 1,194,605.26 and 483,702.05 is: 667,496.38
Step by Step Solution
- Step 1: Write the proportion equation
865,672.13 : 1,194,605.26 = 483,702.05 : x - Step 2: Convert to fraction form
865,672.13/1,194,605.26 = 483,702.05/x - Step 3: Cross multiply
865,672.13x = 1,194,605.26 × 483,702.05 - Step 4: Simplify right side
865,672.13x = 577,833,006,020.50 - Step 5: Solve for x
x = 577,833,006,020.50/865,672.13 - Step 6: Final answer
x = 667,496.38
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1.5x scale
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.