Finding the Fourth Proportional to 506,729.99, 699,281.37 and 277,284.80
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Solution
The fourth proportional to 506,729.99, 699,281.37 and 277,284.80 is: 382,649.73
Step by Step Solution
- Step 1: Write the proportion equation
506,729.99 : 699,281.37 = 277,284.80 : x - Step 2: Convert to fraction form
506,729.99/699,281.37 = 277,284.80/x - Step 3: Cross multiply
506,729.99x = 699,281.37 × 277,284.80 - Step 4: Simplify right side
506,729.99x = 193,900,096,572.38 - Step 5: Solve for x
x = 193,900,096,572.38/506,729.99 - Step 6: Final answer
x = 382,649.73
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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.