Finding the Fourth Proportional to 799,683.81, 1,199,587.68 and 267,206.70
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Solution
The fourth proportional to 799,683.81, 1,199,587.68 and 267,206.70 is: 400,830.76
Step by Step Solution
- Step 1: Write the proportion equation
799,683.81 : 1,199,587.68 = 267,206.70 : x - Step 2: Convert to fraction form
799,683.81/1,199,587.68 = 267,206.70/x - Step 3: Cross multiply
799,683.81x = 1,199,587.68 × 267,206.70 - Step 4: Simplify right side
799,683.81x = 320,537,865,333.46 - Step 5: Solve for x
x = 320,537,865,333.46/799,683.81 - Step 6: Final answer
x = 400,830.76
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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.