Finding the Fourth Proportional to 628,394.67, 941,402.70 and 371,458.01
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Solution
The fourth proportional to 628,394.67, 941,402.70 and 371,458.01 is: 556,483.99
Step by Step Solution
- Step 1: Write the proportion equation
628,394.67 : 941,402.70 = 371,458.01 : x - Step 2: Convert to fraction form
628,394.67/941,402.70 = 371,458.01/x - Step 3: Cross multiply
628,394.67x = 941,402.70 × 371,458.01 - Step 4: Simplify right side
628,394.67x = 349,691,571,693.34 - Step 5: Solve for x
x = 349,691,571,693.34/628,394.67 - Step 6: Final answer
x = 556,483.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.