Finding the Fourth Proportional to 718,470.27, 991,448.24 and 446,531.18
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Solution
The fourth proportional to 718,470.27, 991,448.24 and 446,531.18 is: 616,187.70
Step by Step Solution
- Step 1: Write the proportion equation
718,470.27 : 991,448.24 = 446,531.18 : x - Step 2: Convert to fraction form
718,470.27/991,448.24 = 446,531.18/x - Step 3: Cross multiply
718,470.27x = 991,448.24 × 446,531.18 - Step 4: Simplify right side
718,470.27x = 442,712,545,326.23 - Step 5: Solve for x
x = 442,712,545,326.23/718,470.27 - Step 6: Final answer
x = 616,187.70
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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.