Finding the Fourth Proportional to 800,070.38, 1,103,576.88 and 513,135.98
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Solution
The fourth proportional to 800,070.38, 1,103,576.88 and 513,135.98 is: 707,793.99
Step by Step Solution
- Step 1: Write the proportion equation
800,070.38 : 1,103,576.88 = 513,135.98 : x - Step 2: Convert to fraction form
800,070.38/1,103,576.88 = 513,135.98/x - Step 3: Cross multiply
800,070.38x = 1,103,576.88 × 513,135.98 - Step 4: Simplify right side
800,070.38x = 566,285,003,824.14 - Step 5: Solve for x
x = 566,285,003,824.14/800,070.38 - Step 6: Final answer
x = 707,793.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.