Finding the Fourth Proportional to 787,668.70, 1,181,503.05 and 366,987.10
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Solution
The fourth proportional to 787,668.70, 1,181,503.05 and 366,987.10 is: 550,480.65
Step by Step Solution
- Step 1: Write the proportion equation
787,668.70 : 1,181,503.05 = 366,987.10 : x - Step 2: Convert to fraction form
787,668.70/1,181,503.05 = 366,987.10/x - Step 3: Cross multiply
787,668.70x = 1,181,503.05 × 366,987.10 - Step 4: Simplify right side
787,668.70x = 433,596,377,960.66 - Step 5: Solve for x
x = 433,596,377,960.66/787,668.70 - Step 6: Final answer
x = 550,480.65
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Similar ratio
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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.