Finding the Fourth Proportional to 624,207.20, 936,310.80 and 606,711.20
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Solution
The fourth proportional to 624,207.20, 936,310.80 and 606,711.20 is: 910,066.80
Step by Step Solution
- Step 1: Write the proportion equation
624,207.20 : 936,310.80 = 606,711.20 : x - Step 2: Convert to fraction form
624,207.20/936,310.80 = 606,711.20/x - Step 3: Cross multiply
624,207.20x = 936,310.80 × 606,711.20 - Step 4: Simplify right side
624,207.20x = 568,070,249,040.96 - Step 5: Solve for x
x = 568,070,249,040.96/624,207.20 - Step 6: Final answer
x = 910,066.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.