Finding the Fourth Proportional to 576,823.40, 865,235.10 and 377,757.80
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Solution
The fourth proportional to 576,823.40, 865,235.10 and 377,757.80 is: 566,636.70
Step by Step Solution
- Step 1: Write the proportion equation
576,823.40 : 865,235.10 = 377,757.80 : x - Step 2: Convert to fraction form
576,823.40/865,235.10 = 377,757.80/x - Step 3: Cross multiply
576,823.40x = 865,235.10 × 377,757.80 - Step 4: Simplify right side
576,823.40x = 326,849,307,858.78 - Step 5: Solve for x
x = 326,849,307,858.78/576,823.40 - Step 6: Final answer
x = 566,636.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.