Finding the Fourth Proportional to 735,657.10, 1,104,190.35 and 380,925.70
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Solution
The fourth proportional to 735,657.10, 1,104,190.35 and 380,925.70 is: 571,753.45
Step by Step Solution
- Step 1: Write the proportion equation
735,657.10 : 1,104,190.35 = 380,925.70 : x - Step 2: Convert to fraction form
735,657.10/1,104,190.35 = 380,925.70/x - Step 3: Cross multiply
735,657.10x = 1,104,190.35 × 380,925.70 - Step 4: Simplify right side
735,657.10x = 420,614,482,007.00 - Step 5: Solve for x
x = 420,614,482,007.00/735,657.10 - Step 6: Final answer
x = 571,753.45
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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.