Finding the Fourth Proportional to 815,441.54, 1,125,337.29 and 452,871.14
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Solution
The fourth proportional to 815,441.54, 1,125,337.29 and 452,871.14 is: 624,977.70
Step by Step Solution
- Step 1: Write the proportion equation
815,441.54 : 1,125,337.29 = 452,871.14 : x - Step 2: Convert to fraction form
815,441.54/1,125,337.29 = 452,871.14/x - Step 3: Cross multiply
815,441.54x = 1,125,337.29 × 452,871.14 - Step 4: Simplify right side
815,441.54x = 509,632,781,406.81 - Step 5: Solve for x
x = 509,632,781,406.81/815,441.54 - Step 6: Final answer
x = 624,977.70
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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.