Finding the Fourth Proportional to 735,202.60, 1,102,220.70 and 402,778.60
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Solution
The fourth proportional to 735,202.60, 1,102,220.70 and 402,778.60 is: 603,848.40
Step by Step Solution
- Step 1: Write the proportion equation
735,202.60 : 1,102,220.70 = 402,778.60 : x - Step 2: Convert to fraction form
735,202.60/1,102,220.70 = 402,778.60/x - Step 3: Cross multiply
735,202.60x = 1,102,220.70 × 402,778.60 - Step 4: Simplify right side
735,202.60x = 443,950,910,437.02 - Step 5: Solve for x
x = 443,950,910,437.02/735,202.60 - Step 6: Final answer
x = 603,848.40
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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.