Finding the Fourth Proportional to 657,252.88, 907,009.32 and 355,446.96
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Solution
The fourth proportional to 657,252.88, 907,009.32 and 355,446.96 is: 490,516.99
Step by Step Solution
- Step 1: Write the proportion equation
657,252.88 : 907,009.32 = 355,446.96 : x - Step 2: Convert to fraction form
657,252.88/907,009.32 = 355,446.96/x - Step 3: Cross multiply
657,252.88x = 907,009.32 × 355,446.96 - Step 4: Simplify right side
657,252.88x = 322,393,705,485.67 - Step 5: Solve for x
x = 322,393,705,485.67/657,252.88 - Step 6: Final answer
x = 490,516.99
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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.