Finding the Fourth Proportional to 571,446.09, 788,614.79 and 316,782.09
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Solution
The fourth proportional to 571,446.09, 788,614.79 and 316,782.09 is: 437,169.92
Step by Step Solution
- Step 1: Write the proportion equation
571,446.09 : 788,614.79 = 316,782.09 : x - Step 2: Convert to fraction form
571,446.09/788,614.79 = 316,782.09/x - Step 3: Cross multiply
571,446.09x = 788,614.79 × 316,782.09 - Step 4: Simplify right side
571,446.09x = 249,819,039,797.20 - Step 5: Solve for x
x = 249,819,039,797.20/571,446.09 - Step 6: Final answer
x = 437,169.92
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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.