Finding the Fourth Proportional to 735,263.80, 1,102,895.70 and 261,964.60
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Solution
The fourth proportional to 735,263.80, 1,102,895.70 and 261,964.60 is: 392,946.90
Step by Step Solution
- Step 1: Write the proportion equation
735,263.80 : 1,102,895.70 = 261,964.60 : x - Step 2: Convert to fraction form
735,263.80/1,102,895.70 = 261,964.60/x - Step 3: Cross multiply
735,263.80x = 1,102,895.70 × 261,964.60 - Step 4: Simplify right side
735,263.80x = 288,919,630,892.22 - Step 5: Solve for x
x = 288,919,630,892.22/735,263.80 - Step 6: Final answer
x = 392,946.90
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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.