Finding the Fourth Proportional to 499,267.70, 748,901.55 and 475,939.70
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Solution
The fourth proportional to 499,267.70, 748,901.55 and 475,939.70 is: 713,909.55
Step by Step Solution
- Step 1: Write the proportion equation
499,267.70 : 748,901.55 = 475,939.70 : x - Step 2: Convert to fraction form
499,267.70/748,901.55 = 475,939.70/x - Step 3: Cross multiply
499,267.70x = 748,901.55 × 475,939.70 - Step 4: Simplify right side
499,267.70x = 356,431,979,036.54 - Step 5: Solve for x
x = 356,431,979,036.54/499,267.70 - Step 6: Final answer
x = 713,909.55
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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.