Finding the Fourth Proportional to 658,539.44, 908,784.12 and 356,730.80
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Solution
The fourth proportional to 658,539.44, 908,784.12 and 356,730.80 is: 492,288.34
Step by Step Solution
- Step 1: Write the proportion equation
658,539.44 : 908,784.12 = 356,730.80 : x - Step 2: Convert to fraction form
658,539.44/908,784.12 = 356,730.80/x - Step 3: Cross multiply
658,539.44x = 908,784.12 × 356,730.80 - Step 4: Simplify right side
658,539.44x = 324,191,286,154.90 - Step 5: Solve for x
x = 324,191,286,154.90/658,539.44 - Step 6: Final answer
x = 492,288.34
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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.