Finding the Fourth Proportional to 925,782.13, 1,277,519.02 and 517,813.21
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Solution
The fourth proportional to 925,782.13, 1,277,519.02 and 517,813.21 is: 714,548.49
Step by Step Solution
- Step 1: Write the proportion equation
925,782.13 : 1,277,519.02 = 517,813.21 : x - Step 2: Convert to fraction form
925,782.13/1,277,519.02 = 517,813.21/x - Step 3: Cross multiply
925,782.13x = 1,277,519.02 × 517,813.21 - Step 4: Simplify right side
925,782.13x = 661,516,224,582.25 - Step 5: Solve for x
x = 661,516,224,582.25/925,782.13 - Step 6: Final answer
x = 714,548.49
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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.