Finding the Fourth Proportional to 857,013.24, 1,182,735.18 and 475,056.12
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Solution
The fourth proportional to 857,013.24, 1,182,735.18 and 475,056.12 is: 655,608.99
Step by Step Solution
- Step 1: Write the proportion equation
857,013.24 : 1,182,735.18 = 475,056.12 : x - Step 2: Convert to fraction form
857,013.24/1,182,735.18 = 475,056.12/x - Step 3: Cross multiply
857,013.24x = 1,182,735.18 × 475,056.12 - Step 4: Simplify right side
857,013.24x = 561,865,585,598.30 - Step 5: Solve for x
x = 561,865,585,598.30/857,013.24 - Step 6: Final answer
x = 655,608.99
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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.