Finding the Fourth Proportional to 506,929.14, 699,551.64 and 277,480.80
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Solution
The fourth proportional to 506,929.14, 699,551.64 and 277,480.80 is: 382,917.72
Step by Step Solution
- Step 1: Write the proportion equation
506,929.14 : 699,551.64 = 277,480.80 : x - Step 2: Convert to fraction form
506,929.14/699,551.64 = 277,480.80/x - Step 3: Cross multiply
506,929.14x = 699,551.64 × 277,480.80 - Step 4: Simplify right side
506,929.14x = 194,112,148,708.51 - Step 5: Solve for x
x = 194,112,148,708.51/506,929.14 - Step 6: Final answer
x = 382,917.72
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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.