Finding the Fourth Proportional to 803,473.96, 1,108,792.47 and 435,950.97
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Solution
The fourth proportional to 803,473.96, 1,108,792.47 and 435,950.97 is: 601,611.48
Step by Step Solution
- Step 1: Write the proportion equation
803,473.96 : 1,108,792.47 = 435,950.97 : x - Step 2: Convert to fraction form
803,473.96/1,108,792.47 = 435,950.97/x - Step 3: Cross multiply
803,473.96x = 1,108,792.47 × 435,950.97 - Step 4: Simplify right side
803,473.96x = 483,379,156,872.13 - Step 5: Solve for x
x = 483,379,156,872.13/803,473.96 - Step 6: Final answer
x = 601,611.48
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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.