Finding the Fourth Proportional to 884,922.94, 1,221,230.12 and 497,756.44
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Solution
The fourth proportional to 884,922.94, 1,221,230.12 and 497,756.44 is: 686,924.39
Step by Step Solution
- Step 1: Write the proportion equation
884,922.94 : 1,221,230.12 = 497,756.44 : x - Step 2: Convert to fraction form
884,922.94/1,221,230.12 = 497,756.44/x - Step 3: Cross multiply
884,922.94x = 1,221,230.12 × 497,756.44 - Step 4: Simplify right side
884,922.94x = 607,875,155,989.73 - Step 5: Solve for x
x = 607,875,155,989.73/884,922.94 - Step 6: Final answer
x = 686,924.39
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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.