Finding the Fourth Proportional to 747,691.55, 1,121,701.35 and 368,793.80
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Solution
The fourth proportional to 747,691.55, 1,121,701.35 and 368,793.80 is: 553,271.60
Step by Step Solution
- Step 1: Write the proportion equation
747,691.55 : 1,121,701.35 = 368,793.80 : x - Step 2: Convert to fraction form
747,691.55/1,121,701.35 = 368,793.80/x - Step 3: Cross multiply
747,691.55x = 1,121,701.35 × 368,793.80 - Step 4: Simplify right side
747,691.55x = 413,676,503,331.63 - Step 5: Solve for x
x = 413,676,503,331.63/747,691.55 - Step 6: Final answer
x = 553,271.60
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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.