Finding the Fourth Proportional to 791,350.32, 1,092,061.91 and 428,783.99
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Solution
The fourth proportional to 791,350.32, 1,092,061.91 and 428,783.99 is: 591,721.07
Step by Step Solution
- Step 1: Write the proportion equation
791,350.32 : 1,092,061.91 = 428,783.99 : x - Step 2: Convert to fraction form
791,350.32/1,092,061.91 = 428,783.99/x - Step 3: Cross multiply
791,350.32x = 1,092,061.91 × 428,783.99 - Step 4: Simplify right side
791,350.32x = 468,258,655,492.59 - Step 5: Solve for x
x = 468,258,655,492.59/791,350.32 - Step 6: Final answer
x = 591,721.07
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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.