Finding the Fourth Proportional to 877,474, 1,316,211.18 and 316,508.44
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Solution
The fourth proportional to 877,474, 1,316,211.18 and 316,508.44 is: 474,762.72
Step by Step Solution
- Step 1: Write the proportion equation
877,474 : 1,316,211.18 = 316,508.44 : x - Step 2: Convert to fraction form
877,474/1,316,211.18 = 316,508.44/x - Step 3: Cross multiply
877,474x = 1,316,211.18 × 316,508.44 - Step 4: Simplify right side
877,474x = 416,591,947,292.36 - Step 5: Solve for x
x = 416,591,947,292.36/877,474 - Step 6: Final answer
x = 474,762.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.