Finding the Fourth Proportional to 633,878.82, 874,686.87 and 361,918.08
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Solution
The fourth proportional to 633,878.82, 874,686.87 and 361,918.08 is: 499,409.32
Step by Step Solution
- Step 1: Write the proportion equation
633,878.82 : 874,686.87 = 361,918.08 : x - Step 2: Convert to fraction form
633,878.82/874,686.87 = 361,918.08/x - Step 3: Cross multiply
633,878.82x = 874,686.87 × 361,918.08 - Step 4: Simplify right side
633,878.82x = 316,564,992,591.61 - Step 5: Solve for x
x = 316,564,992,591.61/633,878.82 - Step 6: Final answer
x = 499,409.32
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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.