Finding the Fourth Proportional to 557,049.84, 768,724.56 and 302,395.92
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Solution
The fourth proportional to 557,049.84, 768,724.56 and 302,395.92 is: 417,304.08
Step by Step Solution
- Step 1: Write the proportion equation
557,049.84 : 768,724.56 = 302,395.92 : x - Step 2: Convert to fraction form
557,049.84/768,724.56 = 302,395.92/x - Step 3: Cross multiply
557,049.84x = 768,724.56 × 302,395.92 - Step 4: Simplify right side
557,049.84x = 232,459,170,547.80 - Step 5: Solve for x
x = 232,459,170,547.80/557,049.84 - Step 6: Final answer
x = 417,304.08
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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.