Finding the Fourth Proportional to 865,852.06, 1,194,772.36 and 478,615.18
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Solution
The fourth proportional to 865,852.06, 1,194,772.36 and 478,615.18 is: 660,431.75
Step by Step Solution
- Step 1: Write the proportion equation
865,852.06 : 1,194,772.36 = 478,615.18 : x - Step 2: Convert to fraction form
865,852.06/1,194,772.36 = 478,615.18/x - Step 3: Cross multiply
865,852.06x = 1,194,772.36 × 478,615.18 - Step 4: Simplify right side
865,852.06x = 571,836,188,140.43 - Step 5: Solve for x
x = 571,836,188,140.43/865,852.06 - Step 6: Final answer
x = 660,431.75
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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.