Finding the Fourth Proportional to 576,953.80, 865,430.70 and 328,121.80
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Solution
The fourth proportional to 576,953.80, 865,430.70 and 328,121.80 is: 492,182.70
Step by Step Solution
- Step 1: Write the proportion equation
576,953.80 : 865,430.70 = 328,121.80 : x - Step 2: Convert to fraction form
576,953.80/865,430.70 = 328,121.80/x - Step 3: Cross multiply
576,953.80x = 865,430.70 × 328,121.80 - Step 4: Simplify right side
576,953.80x = 283,966,679,059.26 - Step 5: Solve for x
x = 283,966,679,059.26/576,953.80 - Step 6: Final answer
x = 492,182.70
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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.