Finding the Fourth Proportional to 617,793.70, 926,690.55 and 368,961.70
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Solution
The fourth proportional to 617,793.70, 926,690.55 and 368,961.70 is: 553,442.55
Step by Step Solution
- Step 1: Write the proportion equation
617,793.70 : 926,690.55 = 368,961.70 : x - Step 2: Convert to fraction form
617,793.70/926,690.55 = 368,961.70/x - Step 3: Cross multiply
617,793.70x = 926,690.55 × 368,961.70 - Step 4: Simplify right side
617,793.70x = 341,913,320,701.94 - Step 5: Solve for x
x = 341,913,320,701.94/617,793.70 - Step 6: Final answer
x = 553,442.55
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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.