Finding the Fourth Proportional to 876,187.68, 1,209,154.68 and 513,872.76
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Solution
The fourth proportional to 876,187.68, 1,209,154.68 and 513,872.76 is: 709,153.61
Step by Step Solution
- Step 1: Write the proportion equation
876,187.68 : 1,209,154.68 = 513,872.76 : x - Step 2: Convert to fraction form
876,187.68/1,209,154.68 = 513,872.76/x - Step 3: Cross multiply
876,187.68x = 1,209,154.68 × 513,872.76 - Step 4: Simplify right side
876,187.68x = 621,351,652,678.52 - Step 5: Solve for x
x = 621,351,652,678.52/876,187.68 - Step 6: Final answer
x = 709,153.61
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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.