Finding the Fourth Proportional to 468,979.84, 646,904.64 and 383,063.68
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Solution
The fourth proportional to 468,979.84, 646,904.64 and 383,063.68 is: 528,393.02
Step by Step Solution
- Step 1: Write the proportion equation
468,979.84 : 646,904.64 = 383,063.68 : x - Step 2: Convert to fraction form
468,979.84/646,904.64 = 383,063.68/x - Step 3: Cross multiply
468,979.84x = 646,904.64 × 383,063.68 - Step 4: Simplify right side
468,979.84x = 247,805,672,007.48 - Step 5: Solve for x
x = 247,805,672,007.48/468,979.84 - Step 6: Final answer
x = 528,393.02
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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.