Finding the Fourth Proportional to 658,366.68, 908,182.23 and 535,990.70
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Solution
The fourth proportional to 658,366.68, 908,182.23 and 535,990.70 is: 739,370.99
Step by Step Solution
- Step 1: Write the proportion equation
658,366.68 : 908,182.23 = 535,990.70 : x - Step 2: Convert to fraction form
658,366.68/908,182.23 = 535,990.70/x - Step 3: Cross multiply
658,366.68x = 908,182.23 × 535,990.70 - Step 4: Simplify right side
658,366.68x = 486,777,224,644.35 - Step 5: Solve for x
x = 486,777,224,644.35/658,366.68 - Step 6: Final answer
x = 739,370.99
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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.