Finding the Fourth Proportional to 725,160.68, 1,087,851.66 and 369,981.08
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Solution
The fourth proportional to 725,160.68, 1,087,851.66 and 369,981.08 is: 555,028.07
Step by Step Solution
- Step 1: Write the proportion equation
725,160.68 : 1,087,851.66 = 369,981.08 : x - Step 2: Convert to fraction form
725,160.68/1,087,851.66 = 369,981.08/x - Step 3: Cross multiply
725,160.68x = 1,087,851.66 × 369,981.08 - Step 4: Simplify right side
725,160.68x = 402,484,532,046.59 - Step 5: Solve for x
x = 402,484,532,046.59/725,160.68 - Step 6: Final answer
x = 555,028.07
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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.