Finding the Fourth Proportional to 852,211.34, 1,175,630.36 and 557,686.70
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Solution
The fourth proportional to 852,211.34, 1,175,630.36 and 557,686.70 is: 769,331.96
Step by Step Solution
- Step 1: Write the proportion equation
852,211.34 : 1,175,630.36 = 557,686.70 : x - Step 2: Convert to fraction form
852,211.34/1,175,630.36 = 557,686.70/x - Step 3: Cross multiply
852,211.34x = 1,175,630.36 × 557,686.70 - Step 4: Simplify right side
852,211.34x = 655,633,420,221.51 - Step 5: Solve for x
x = 655,633,420,221.51/852,211.34 - Step 6: Final answer
x = 769,331.96
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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.