Finding the Fourth Proportional to 719,358.44, 992,714.74 and 397,068.62
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Solution
The fourth proportional to 719,358.44, 992,714.74 and 397,068.62 is: 547,954.74
Step by Step Solution
- Step 1: Write the proportion equation
719,358.44 : 992,714.74 = 397,068.62 : x - Step 2: Convert to fraction form
719,358.44/992,714.74 = 397,068.62/x - Step 3: Cross multiply
719,358.44x = 992,714.74 × 397,068.62 - Step 4: Simplify right side
719,358.44x = 394,175,865,909.21 - Step 5: Solve for x
x = 394,175,865,909.21/719,358.44 - Step 6: Final answer
x = 547,954.74
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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.