Finding the Fourth Proportional to 929,701.20, 1,394,551.80 and 894,271.80
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Solution
The fourth proportional to 929,701.20, 1,394,551.80 and 894,271.80 is: 1,341,407.70
Step by Step Solution
- Step 1: Write the proportion equation
929,701.20 : 1,394,551.80 = 894,271.80 : x - Step 2: Convert to fraction form
929,701.20/1,394,551.80 = 894,271.80/x - Step 3: Cross multiply
929,701.20x = 1,394,551.80 × 894,271.80 - Step 4: Simplify right side
929,701.20x = 1,247,108,348,379.24 - Step 5: Solve for x
x = 1,247,108,348,379.24/929,701.20 - Step 6: Final answer
x = 1,341,407.70
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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.