Finding the Fourth Proportional to 658,534.68, 908,777.88 and 356,728.68
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Solution
The fourth proportional to 658,534.68, 908,777.88 and 356,728.68 is: 492,285.59
Step by Step Solution
- Step 1: Write the proportion equation
658,534.68 : 908,777.88 = 356,728.68 : x - Step 2: Convert to fraction form
658,534.68/908,777.88 = 356,728.68/x - Step 3: Cross multiply
658,534.68x = 908,777.88 × 356,728.68 - Step 4: Simplify right side
658,534.68x = 324,187,133,545.60 - Step 5: Solve for x
x = 324,187,133,545.60/658,534.68 - Step 6: Final answer
x = 492,285.59
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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.