Finding the Fourth Proportional to 740,114.08, 1,021,382.16 and 453,578.80
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Solution
The fourth proportional to 740,114.08, 1,021,382.16 and 453,578.80 is: 625,953.90
Step by Step Solution
- Step 1: Write the proportion equation
740,114.08 : 1,021,382.16 = 453,578.80 : x - Step 2: Convert to fraction form
740,114.08/1,021,382.16 = 453,578.80/x - Step 3: Cross multiply
740,114.08x = 1,021,382.16 × 453,578.80 - Step 4: Simplify right side
740,114.08x = 463,277,294,474.21 - Step 5: Solve for x
x = 463,277,294,474.21/740,114.08 - Step 6: Final answer
x = 625,953.90
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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.