Finding the Fourth Proportional to 971,768.19, 1,341,042.08 and 542,037.27
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Solution
The fourth proportional to 971,768.19, 1,341,042.08 and 542,037.27 is: 748,012.53
Step by Step Solution
- Step 1: Write the proportion equation
971,768.19 : 1,341,042.08 = 542,037.27 : x - Step 2: Convert to fraction form
971,768.19/1,341,042.08 = 542,037.27/x - Step 3: Cross multiply
971,768.19x = 1,341,042.08 × 542,037.27 - Step 4: Simplify right side
971,768.19x = 726,894,785,288.14 - Step 5: Solve for x
x = 726,894,785,288.14/971,768.19 - Step 6: Final answer
x = 748,012.53
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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.