Finding the Fourth Proportional to 962,841.20, 1,328,737.16 and 527,251.55
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Solution
The fourth proportional to 962,841.20, 1,328,737.16 and 527,251.55 is: 727,616.07
Step by Step Solution
- Step 1: Write the proportion equation
962,841.20 : 1,328,737.16 = 527,251.55 : x - Step 2: Convert to fraction form
962,841.20/1,328,737.16 = 527,251.55/x - Step 3: Cross multiply
962,841.20x = 1,328,737.16 × 527,251.55 - Step 4: Simplify right side
962,841.20x = 700,578,721,827.04 - Step 5: Solve for x
x = 700,578,721,827.04/962,841.20 - Step 6: Final answer
x = 727,616.07
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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.