Finding the Fourth Proportional to 1,515,246.71, 2,272,814.69 and 450,261.09
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Solution
The fourth proportional to 1,515,246.71, 2,272,814.69 and 450,261.09 is: 675,375.18
Step by Step Solution
- Step 1: Write the proportion equation
1,515,246.71 : 2,272,814.69 = 450,261.09 : x - Step 2: Convert to fraction form
1,515,246.71/2,272,814.69 = 450,261.09/x - Step 3: Cross multiply
1,515,246.71x = 2,272,814.69 × 450,261.09 - Step 4: Simplify right side
1,515,246.71x = 1,023,360,017,436.11 - Step 5: Solve for x
x = 1,023,360,017,436.11/1,515,246.71 - Step 6: Final answer
x = 675,375.18
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1.5x scale
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.