Finding the Fourth Proportional to 802,098.18, 1,203,154.08 and 641,776.80
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Solution
The fourth proportional to 802,098.18, 1,203,154.08 and 641,776.80 is: 962,670.65
Step by Step Solution
- Step 1: Write the proportion equation
802,098.18 : 1,203,154.08 = 641,776.80 : x - Step 2: Convert to fraction form
802,098.18/1,203,154.08 = 641,776.80/x - Step 3: Cross multiply
802,098.18x = 1,203,154.08 × 641,776.80 - Step 4: Simplify right side
802,098.18x = 772,156,375,369.34 - Step 5: Solve for x
x = 772,156,375,369.34/802,098.18 - Step 6: Final answer
x = 962,670.65
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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.