Finding the Fourth Proportional to 576,949.80, 865,424.70 and 328,117.80
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Solution
The fourth proportional to 576,949.80, 865,424.70 and 328,117.80 is: 492,176.70
Step by Step Solution
- Step 1: Write the proportion equation
576,949.80 : 865,424.70 = 328,117.80 : x - Step 2: Convert to fraction form
576,949.80/865,424.70 = 328,117.80/x - Step 3: Cross multiply
576,949.80x = 865,424.70 × 328,117.80 - Step 4: Simplify right side
576,949.80x = 283,961,248,629.66 - Step 5: Solve for x
x = 283,961,248,629.66/576,949.80 - Step 6: Final answer
x = 492,176.70
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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.