Finding the Fourth Proportional to 648,202.20, 970,553.70 and 508,234.20
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Solution
The fourth proportional to 648,202.20, 970,553.70 and 508,234.20 is: 760,979.50
Step by Step Solution
- Step 1: Write the proportion equation
648,202.20 : 970,553.70 = 508,234.20 : x - Step 2: Convert to fraction form
648,202.20/970,553.70 = 508,234.20/x - Step 3: Cross multiply
648,202.20x = 970,553.70 × 508,234.20 - Step 4: Simplify right side
648,202.20x = 493,268,583,276.54 - Step 5: Solve for x
x = 493,268,583,276.54/648,202.20 - Step 6: Final answer
x = 760,979.50
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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.