Finding the Fourth Proportional to 660,355.44, 911,679.44 and 402,329.76
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Solution
The fourth proportional to 660,355.44, 911,679.44 and 402,329.76 is: 555,452.03
Step by Step Solution
- Step 1: Write the proportion equation
660,355.44 : 911,679.44 = 402,329.76 : x - Step 2: Convert to fraction form
660,355.44/911,679.44 = 402,329.76/x - Step 3: Cross multiply
660,355.44x = 911,679.44 × 402,329.76 - Step 4: Simplify right side
660,355.44x = 366,795,770,292.13 - Step 5: Solve for x
x = 366,795,770,292.13/660,355.44 - Step 6: Final answer
x = 555,452.03
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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.