Finding the Fourth Proportional to 472,577.64, 652,207.74 and 288,923.97
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Solution
The fourth proportional to 472,577.64, 652,207.74 and 288,923.97 is: 398,746.01
Step by Step Solution
- Step 1: Write the proportion equation
472,577.64 : 652,207.74 = 288,923.97 : x - Step 2: Convert to fraction form
472,577.64/652,207.74 = 288,923.97/x - Step 3: Cross multiply
472,577.64x = 652,207.74 × 288,923.97 - Step 4: Simplify right side
472,577.64x = 188,438,449,505.53 - Step 5: Solve for x
x = 188,438,449,505.53/472,577.64 - Step 6: Final answer
x = 398,746.01
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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.