Finding the Fourth Proportional to 487,448.62, 672,848.19 and 334,991.48
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Solution
The fourth proportional to 487,448.62, 672,848.19 and 334,991.48 is: 462,404.45
Step by Step Solution
- Step 1: Write the proportion equation
487,448.62 : 672,848.19 = 334,991.48 : x - Step 2: Convert to fraction form
487,448.62/672,848.19 = 334,991.48/x - Step 3: Cross multiply
487,448.62x = 672,848.19 × 334,991.48 - Step 4: Simplify right side
487,448.62x = 225,398,407,619.18 - Step 5: Solve for x
x = 225,398,407,619.18/487,448.62 - Step 6: Final answer
x = 462,404.45
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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.