Finding the Fourth Proportional to 545,274.93, 752,369.47 and 330,290.09
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Solution
The fourth proportional to 545,274.93, 752,369.47 and 330,290.09 is: 455,733.73
Step by Step Solution
- Step 1: Write the proportion equation
545,274.93 : 752,369.47 = 330,290.09 : x - Step 2: Convert to fraction form
545,274.93/752,369.47 = 330,290.09/x - Step 3: Cross multiply
545,274.93x = 752,369.47 × 330,290.09 - Step 4: Simplify right side
545,274.93x = 248,500,179,959.55 - Step 5: Solve for x
x = 248,500,179,959.55/545,274.93 - Step 6: Final answer
x = 455,733.73
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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.