Finding the Fourth Proportional to 552,465.06, 762,394.13 and 310,747.80
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Solution
The fourth proportional to 552,465.06, 762,394.13 and 310,747.80 is: 428,827.66
Step by Step Solution
- Step 1: Write the proportion equation
552,465.06 : 762,394.13 = 310,747.80 : x - Step 2: Convert to fraction form
552,465.06/762,394.13 = 310,747.80/x - Step 3: Cross multiply
552,465.06x = 762,394.13 × 310,747.80 - Step 4: Simplify right side
552,465.06x = 236,912,297,076.68 - Step 5: Solve for x
x = 236,912,297,076.68/552,465.06 - Step 6: Final answer
x = 428,827.66
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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.