Finding the Fourth Proportional to 555,207.28, 767,477.32 and 495,370.96
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Solution
The fourth proportional to 555,207.28, 767,477.32 and 495,370.96 is: 684,764.03
Step by Step Solution
- Step 1: Write the proportion equation
555,207.28 : 767,477.32 = 495,370.96 : x - Step 2: Convert to fraction form
555,207.28/767,477.32 = 495,370.96/x - Step 3: Cross multiply
555,207.28x = 767,477.32 × 495,370.96 - Step 4: Simplify right side
555,207.28x = 380,185,976,786.63 - Step 5: Solve for x
x = 380,185,976,786.63/555,207.28 - Step 6: Final answer
x = 684,764.03
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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.