Finding the Fourth Proportional to 843,724.36, 1,164,338.76 and 476,278.84
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Solution
The fourth proportional to 843,724.36, 1,164,338.76 and 476,278.84 is: 657,264.32
Step by Step Solution
- Step 1: Write the proportion equation
843,724.36 : 1,164,338.76 = 476,278.84 : x - Step 2: Convert to fraction form
843,724.36/1,164,338.76 = 476,278.84/x - Step 3: Cross multiply
843,724.36x = 1,164,338.76 × 476,278.84 - Step 4: Simplify right side
843,724.36x = 554,549,913,979.84 - Step 5: Solve for x
x = 554,549,913,979.84/843,724.36 - Step 6: Final answer
x = 657,264.32
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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.