Finding the Fourth Proportional to 576,935.80, 865,403.70 and 328,103.80
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Solution
The fourth proportional to 576,935.80, 865,403.70 and 328,103.80 is: 492,155.70
Step by Step Solution
- Step 1: Write the proportion equation
576,935.80 : 865,403.70 = 328,103.80 : x - Step 2: Convert to fraction form
576,935.80/865,403.70 = 328,103.80/x - Step 3: Cross multiply
576,935.80x = 865,403.70 × 328,103.80 - Step 4: Simplify right side
576,935.80x = 283,942,242,504.06 - Step 5: Solve for x
x = 283,942,242,504.06/576,935.80 - Step 6: Final answer
x = 492,155.70
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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.