Finding the Fourth Proportional to 911,446.41, 1,257,821.42 and 503,574.56
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Solution
The fourth proportional to 911,446.41, 1,257,821.42 and 503,574.56 is: 694,946.91
Step by Step Solution
- Step 1: Write the proportion equation
911,446.41 : 1,257,821.42 = 503,574.56 : x - Step 2: Convert to fraction form
911,446.41/1,257,821.42 = 503,574.56/x - Step 3: Cross multiply
911,446.41x = 1,257,821.42 × 503,574.56 - Step 4: Simplify right side
911,446.41x = 633,406,868,135.08 - Step 5: Solve for x
x = 633,406,868,135.08/911,446.41 - Step 6: Final answer
x = 694,946.91
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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.