Finding the Fourth Proportional to 658,536.93, 908,780.99 and 356,730.93
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Solution
The fourth proportional to 658,536.93, 908,780.99 and 356,730.93 is: 492,288.70
Step by Step Solution
- Step 1: Write the proportion equation
658,536.93 : 908,780.99 = 356,730.93 : x - Step 2: Convert to fraction form
658,536.93/908,780.99 = 356,730.93/x - Step 3: Cross multiply
658,536.93x = 908,780.99 × 356,730.93 - Step 4: Simplify right side
658,536.93x = 324,190,287,729.02 - Step 5: Solve for x
x = 324,190,287,729.02/658,536.93 - Step 6: Final answer
x = 492,288.70
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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.