Finding the Fourth Proportional to 729,177.84, 1,006,464.22 and 423,349.99
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Solution
The fourth proportional to 729,177.84, 1,006,464.22 and 423,349.99 is: 584,338.40
Step by Step Solution
- Step 1: Write the proportion equation
729,177.84 : 1,006,464.22 = 423,349.99 : x - Step 2: Convert to fraction form
729,177.84/1,006,464.22 = 423,349.99/x - Step 3: Cross multiply
729,177.84x = 1,006,464.22 × 423,349.99 - Step 4: Simplify right side
729,177.84x = 426,086,613,897.82 - Step 5: Solve for x
x = 426,086,613,897.82/729,177.84 - Step 6: Final answer
x = 584,338.40
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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.