Finding the Fourth Proportional to 971,049.49, 1,340,128.05 and 535,552.02
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Solution
The fourth proportional to 971,049.49, 1,340,128.05 and 535,552.02 is: 739,105.78
Step by Step Solution
- Step 1: Write the proportion equation
971,049.49 : 1,340,128.05 = 535,552.02 : x - Step 2: Convert to fraction form
971,049.49/1,340,128.05 = 535,552.02/x - Step 3: Cross multiply
971,049.49x = 1,340,128.05 × 535,552.02 - Step 4: Simplify right side
971,049.49x = 717,708,291,269.96 - Step 5: Solve for x
x = 717,708,291,269.96/971,049.49 - Step 6: Final answer
x = 739,105.78
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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.