Finding the Fourth Proportional to 876,559.68, 1,209,651.84 and 474,151.68
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Solution
The fourth proportional to 876,559.68, 1,209,651.84 and 474,151.68 is: 654,329.04
Step by Step Solution
- Step 1: Write the proportion equation
876,559.68 : 1,209,651.84 = 474,151.68 : x - Step 2: Convert to fraction form
876,559.68/1,209,651.84 = 474,151.68/x - Step 3: Cross multiply
876,559.68x = 1,209,651.84 × 474,151.68 - Step 4: Simplify right side
876,559.68x = 573,558,452,151.09 - Step 5: Solve for x
x = 573,558,452,151.09/876,559.68 - Step 6: Final answer
x = 654,329.04
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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.