Finding the Fourth Proportional to 653,845.24, 902,708.99 and 518,426.20
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Solution
The fourth proportional to 653,845.24, 902,708.99 and 518,426.20 is: 715,747.34
Step by Step Solution
- Step 1: Write the proportion equation
653,845.24 : 902,708.99 = 518,426.20 : x - Step 2: Convert to fraction form
653,845.24/902,708.99 = 518,426.20/x - Step 3: Cross multiply
653,845.24x = 902,708.99 × 518,426.20 - Step 4: Simplify right side
653,845.24x = 467,987,991,391.54 - Step 5: Solve for x
x = 467,987,991,391.54/653,845.24 - Step 6: Final answer
x = 715,747.34
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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.