Finding the Fourth Proportional to 502,373.34, 693,234.99 and 287,464.14
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Solution
The fourth proportional to 502,373.34, 693,234.99 and 287,464.14 is: 396,677.50
Step by Step Solution
- Step 1: Write the proportion equation
502,373.34 : 693,234.99 = 287,464.14 : x - Step 2: Convert to fraction form
502,373.34/693,234.99 = 287,464.14/x - Step 3: Cross multiply
502,373.34x = 693,234.99 × 287,464.14 - Step 4: Simplify right side
502,373.34x = 199,280,200,218.26 - Step 5: Solve for x
x = 199,280,200,218.26/502,373.34 - Step 6: Final answer
x = 396,677.50
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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.