Finding the Fourth Proportional to 606,841.70, 911,246.70 and 408,043.40
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Solution
The fourth proportional to 606,841.70, 911,246.70 and 408,043.40 is: 612,726.85
Step by Step Solution
- Step 1: Write the proportion equation
606,841.70 : 911,246.70 = 408,043.40 : x - Step 2: Convert to fraction form
606,841.70/911,246.70 = 408,043.40/x - Step 3: Cross multiply
606,841.70x = 911,246.70 × 408,043.40 - Step 4: Simplify right side
606,841.70x = 371,828,201,706.78 - Step 5: Solve for x
x = 371,828,201,706.78/606,841.70 - Step 6: Final answer
x = 612,726.85
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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.