Finding the Fourth Proportional to 703,276.68, 971,809.20 and 511,957.92
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Solution
The fourth proportional to 703,276.68, 971,809.20 and 511,957.92 is: 707,439.09
Step by Step Solution
- Step 1: Write the proportion equation
703,276.68 : 971,809.20 = 511,957.92 : x - Step 2: Convert to fraction form
703,276.68/971,809.20 = 511,957.92/x - Step 3: Cross multiply
703,276.68x = 971,809.20 × 511,957.92 - Step 4: Simplify right side
703,276.68x = 497,525,416,668.86 - Step 5: Solve for x
x = 497,525,416,668.86/703,276.68 - Step 6: Final answer
x = 707,439.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.