Finding the Fourth Proportional to 506,792.09, 699,342.93 and 277,303.59
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Solution
The fourth proportional to 506,792.09, 699,342.93 and 277,303.59 is: 382,662.45
Step by Step Solution
- Step 1: Write the proportion equation
506,792.09 : 699,342.93 = 277,303.59 : x - Step 2: Convert to fraction form
506,792.09/699,342.93 = 277,303.59/x - Step 3: Cross multiply
506,792.09x = 699,342.93 × 277,303.59 - Step 4: Simplify right side
506,792.09x = 193,930,305,130.12 - Step 5: Solve for x
x = 193,930,305,130.12/506,792.09 - Step 6: Final answer
x = 382,662.45
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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.