Finding the Fourth Proportional to 838,495.23, 1,157,158.19 and 475,952.82
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Solution
The fourth proportional to 838,495.23, 1,157,158.19 and 475,952.82 is: 656,834.63
Step by Step Solution
- Step 1: Write the proportion equation
838,495.23 : 1,157,158.19 = 475,952.82 : x - Step 2: Convert to fraction form
838,495.23/1,157,158.19 = 475,952.82/x - Step 3: Cross multiply
838,495.23x = 1,157,158.19 × 475,952.82 - Step 4: Simplify right side
838,495.23x = 550,752,704,398.92 - Step 5: Solve for x
x = 550,752,704,398.92/838,495.23 - Step 6: Final answer
x = 656,834.63
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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.