Finding the Fourth Proportional to 561,631.66, 775,052.08 and 306,982.84
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Solution
The fourth proportional to 561,631.66, 775,052.08 and 306,982.84 is: 423,636.53
Step by Step Solution
- Step 1: Write the proportion equation
561,631.66 : 775,052.08 = 306,982.84 : x - Step 2: Convert to fraction form
561,631.66/775,052.08 = 306,982.84/x - Step 3: Cross multiply
561,631.66x = 775,052.08 × 306,982.84 - Step 4: Simplify right side
561,631.66x = 237,927,688,666.31 - Step 5: Solve for x
x = 237,927,688,666.31/561,631.66 - Step 6: Final answer
x = 423,636.53
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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.