Finding the Fourth Proportional to 829,296.79, 1,144,782.68 and 557,522.31
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Solution
The fourth proportional to 829,296.79, 1,144,782.68 and 557,522.31 is: 769,618.18
Step by Step Solution
- Step 1: Write the proportion equation
829,296.79 : 1,144,782.68 = 557,522.31 : x - Step 2: Convert to fraction form
829,296.79/1,144,782.68 = 557,522.31/x - Step 3: Cross multiply
829,296.79x = 1,144,782.68 × 557,522.31 - Step 4: Simplify right side
829,296.79x = 638,241,884,201.59 - Step 5: Solve for x
x = 638,241,884,201.59/829,296.79 - Step 6: Final answer
x = 769,618.18
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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.