Finding the Fourth Proportional to 655,968.24, 905,239.32 and 369,492.84
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Solution
The fourth proportional to 655,968.24, 905,239.32 and 369,492.84 is: 509,901.89
Step by Step Solution
- Step 1: Write the proportion equation
655,968.24 : 905,239.32 = 369,492.84 : x - Step 2: Convert to fraction form
655,968.24/905,239.32 = 369,492.84/x - Step 3: Cross multiply
655,968.24x = 905,239.32 × 369,492.84 - Step 4: Simplify right side
655,968.24x = 334,479,447,226.47 - Step 5: Solve for x
x = 334,479,447,226.47/655,968.24 - Step 6: Final answer
x = 509,901.89
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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.