Finding the Fourth Proportional to 885,350.88, 1,221,781.68 and 482,940
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Solution
The fourth proportional to 885,350.88, 1,221,781.68 and 482,940 is: 666,455.82
Step by Step Solution
- Step 1: Write the proportion equation
885,350.88 : 1,221,781.68 = 482,940 : x - Step 2: Convert to fraction form
885,350.88/1,221,781.68 = 482,940/x - Step 3: Cross multiply
885,350.88x = 1,221,781.68 × 482,940 - Step 4: Simplify right side
885,350.88x = 590,047,244,539.20 - Step 5: Solve for x
x = 590,047,244,539.20/885,350.88 - Step 6: Final answer
x = 666,455.82
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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.