Finding the Fourth Proportional to 658,368.68, 908,184.99 and 535,992.70
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Solution
The fourth proportional to 658,368.68, 908,184.99 and 535,992.70 is: 739,373.76
Step by Step Solution
- Step 1: Write the proportion equation
658,368.68 : 908,184.99 = 535,992.70 : x - Step 2: Convert to fraction form
658,368.68/908,184.99 = 535,992.70/x - Step 3: Cross multiply
658,368.68x = 908,184.99 × 535,992.70 - Step 4: Simplify right side
658,368.68x = 486,780,524,889.57 - Step 5: Solve for x
x = 486,780,524,889.57/658,368.68 - Step 6: Final answer
x = 739,373.76
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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.