Finding the Fourth Proportional to 658,354.08, 908,528.63 and 356,548.08
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Solution
The fourth proportional to 658,354.08, 908,528.63 and 356,548.08 is: 492,036.35
Step by Step Solution
- Step 1: Write the proportion equation
658,354.08 : 908,528.63 = 356,548.08 : x - Step 2: Convert to fraction form
658,354.08/908,528.63 = 356,548.08/x - Step 3: Cross multiply
658,354.08x = 908,528.63 × 356,548.08 - Step 4: Simplify right side
658,354.08x = 323,934,136,868.79 - Step 5: Solve for x
x = 323,934,136,868.79/658,354.08 - Step 6: Final answer
x = 492,036.35
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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.