Finding the Fourth Proportional to 877,770.46, 1,317,035.99 and 309,557.59
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Solution
The fourth proportional to 877,770.46, 1,317,035.99 and 309,557.59 is: 464,470.50
Step by Step Solution
- Step 1: Write the proportion equation
877,770.46 : 1,317,035.99 = 309,557.59 : x - Step 2: Convert to fraction form
877,770.46/1,317,035.99 = 309,557.59/x - Step 3: Cross multiply
877,770.46x = 1,317,035.99 × 309,557.59 - Step 4: Simplify right side
877,770.46x = 407,698,487,007.66 - Step 5: Solve for x
x = 407,698,487,007.66/877,770.46 - Step 6: Final answer
x = 464,470.50
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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.