Finding the Fourth Proportional to 660,731.97, 911,593.23 and 370,301.07
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Solution
The fourth proportional to 660,731.97, 911,593.23 and 370,301.07 is: 510,893.92
Step by Step Solution
- Step 1: Write the proportion equation
660,731.97 : 911,593.23 = 370,301.07 : x - Step 2: Convert to fraction form
660,731.97/911,593.23 = 370,301.07/x - Step 3: Cross multiply
660,731.97x = 911,593.23 × 370,301.07 - Step 4: Simplify right side
660,731.97x = 337,563,948,473.76 - Step 5: Solve for x
x = 337,563,948,473.76/660,731.97 - Step 6: Final answer
x = 510,893.92
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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.