Finding the Fourth Proportional to 887,445.90, 1,330,261.65 and 437,474.70
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Solution
The fourth proportional to 887,445.90, 1,330,261.65 and 437,474.70 is: 655,764.84
Step by Step Solution
- Step 1: Write the proportion equation
887,445.90 : 1,330,261.65 = 437,474.70 : x - Step 2: Convert to fraction form
887,445.90/1,330,261.65 = 437,474.70/x - Step 3: Cross multiply
887,445.90x = 1,330,261.65 × 437,474.70 - Step 4: Simplify right side
887,445.90x = 581,955,816,255.26 - Step 5: Solve for x
x = 581,955,816,255.26/887,445.90 - Step 6: Final answer
x = 655,764.84
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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.