Finding the Fourth Proportional to 817,859.97, 1,226,702.34 and 285,391.08
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Solution
The fourth proportional to 817,859.97, 1,226,702.34 and 285,391.08 is: 428,056.05
Step by Step Solution
- Step 1: Write the proportion equation
817,859.97 : 1,226,702.34 = 285,391.08 : x - Step 2: Convert to fraction form
817,859.97/1,226,702.34 = 285,391.08/x - Step 3: Cross multiply
817,859.97x = 1,226,702.34 × 285,391.08 - Step 4: Simplify right side
817,859.97x = 350,089,905,651.13 - Step 5: Solve for x
x = 350,089,905,651.13/817,859.97 - Step 6: Final answer
x = 428,056.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.