Finding the Fourth Proportional to 661,545.68, 913,192.71 and 468,959.99
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Solution
The fourth proportional to 661,545.68, 913,192.71 and 468,959.99 is: 647,348.86
Step by Step Solution
- Step 1: Write the proportion equation
661,545.68 : 913,192.71 = 468,959.99 : x - Step 2: Convert to fraction form
661,545.68/913,192.71 = 468,959.99/x - Step 3: Cross multiply
661,545.68x = 913,192.71 × 468,959.99 - Step 4: Simplify right side
661,545.68x = 428,250,844,149.67 - Step 5: Solve for x
x = 428,250,844,149.67/661,545.68 - Step 6: Final answer
x = 647,348.86
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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.