Finding the Fourth Proportional to 489,135.60, 733,703.40 and 410,403.60
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Solution
The fourth proportional to 489,135.60, 733,703.40 and 410,403.60 is: 615,605.40
Step by Step Solution
- Step 1: Write the proportion equation
489,135.60 : 733,703.40 = 410,403.60 : x - Step 2: Convert to fraction form
489,135.60/733,703.40 = 410,403.60/x - Step 3: Cross multiply
489,135.60x = 733,703.40 × 410,403.60 - Step 4: Simplify right side
489,135.60x = 301,114,516,692.24 - Step 5: Solve for x
x = 301,114,516,692.24/489,135.60 - Step 6: Final answer
x = 615,605.40
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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.