Finding the Fourth Proportional to 1,314,207.30, 1,971,310.95 and 472,649.70
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Solution
The fourth proportional to 1,314,207.30, 1,971,310.95 and 472,649.70 is: 708,974.55
Step by Step Solution
- Step 1: Write the proportion equation
1,314,207.30 : 1,971,310.95 = 472,649.70 : x - Step 2: Convert to fraction form
1,314,207.30/1,971,310.95 = 472,649.70/x - Step 3: Cross multiply
1,314,207.30x = 1,971,310.95 × 472,649.70 - Step 4: Simplify right side
1,314,207.30x = 931,739,529,124.22 - Step 5: Solve for x
x = 931,739,529,124.22/1,314,207.30 - Step 6: Final answer
x = 708,974.55
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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.