Finding the Fourth Proportional to 660,348.09, 911,283.72 and 373,923.99
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Solution
The fourth proportional to 660,348.09, 911,283.72 and 373,923.99 is: 516,017.01
Step by Step Solution
- Step 1: Write the proportion equation
660,348.09 : 911,283.72 = 373,923.99 : x - Step 2: Convert to fraction form
660,348.09/911,283.72 = 373,923.99/x - Step 3: Cross multiply
660,348.09x = 911,283.72 × 373,923.99 - Step 4: Simplify right side
660,348.09x = 340,750,844,604.44 - Step 5: Solve for x
x = 340,750,844,604.44/660,348.09 - Step 6: Final answer
x = 516,017.01
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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.