Finding the Fourth Proportional to 971,742.24, 1,341,030.20 and 542,106.09
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Solution
The fourth proportional to 971,742.24, 1,341,030.20 and 542,106.09 is: 748,120.86
Step by Step Solution
- Step 1: Write the proportion equation
971,742.24 : 1,341,030.20 = 542,106.09 : x - Step 2: Convert to fraction form
971,742.24/1,341,030.20 = 542,106.09/x - Step 3: Cross multiply
971,742.24x = 1,341,030.20 × 542,106.09 - Step 4: Simplify right side
971,742.24x = 726,980,635,583.39 - Step 5: Solve for x
x = 726,980,635,583.39/971,742.24 - Step 6: Final answer
x = 748,120.86
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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.