Finding the Fourth Proportional to 585,695.40, 877,539.18 and 393,209.32
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Solution
The fourth proportional to 585,695.40, 877,539.18 and 393,209.32 is: 589,139.99
Step by Step Solution
- Step 1: Write the proportion equation
585,695.40 : 877,539.18 = 393,209.32 : x - Step 2: Convert to fraction form
585,695.40/877,539.18 = 393,209.32/x - Step 3: Cross multiply
585,695.40x = 877,539.18 × 393,209.32 - Step 4: Simplify right side
585,695.40x = 345,056,584,241.16 - Step 5: Solve for x
x = 345,056,584,241.16/585,695.40 - Step 6: Final answer
x = 589,139.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.