Finding the Fourth Proportional to 835,415.12, 1,152,841.98 and 453,433.76
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Solution
The fourth proportional to 835,415.12, 1,152,841.98 and 453,433.76 is: 625,721.83
Step by Step Solution
- Step 1: Write the proportion equation
835,415.12 : 1,152,841.98 = 453,433.76 : x - Step 2: Convert to fraction form
835,415.12/1,152,841.98 = 453,433.76/x - Step 3: Cross multiply
835,415.12x = 1,152,841.98 × 453,433.76 - Step 4: Simplify right side
835,415.12x = 522,737,473,677.25 - Step 5: Solve for x
x = 522,737,473,677.25/835,415.12 - Step 6: Final answer
x = 625,721.83
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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.