Finding the Fourth Proportional to 770,538.66, 1,063,344.62 and 426,389.08
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Solution
The fourth proportional to 770,538.66, 1,063,344.62 and 426,389.08 is: 588,417.63
Step by Step Solution
- Step 1: Write the proportion equation
770,538.66 : 1,063,344.62 = 426,389.08 : x - Step 2: Convert to fraction form
770,538.66/1,063,344.62 = 426,389.08/x - Step 3: Cross multiply
770,538.66x = 1,063,344.62 × 426,389.08 - Step 4: Simplify right side
770,538.66x = 453,398,534,244.75 - Step 5: Solve for x
x = 453,398,534,244.75/770,538.66 - Step 6: Final answer
x = 588,417.63
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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.