Finding the Fourth Proportional to 815,756.67, 1,125,848.00 and 493,469.08
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Solution
The fourth proportional to 815,756.67, 1,125,848.00 and 493,469.08 is: 681,050.11
Step by Step Solution
- Step 1: Write the proportion equation
815,756.67 : 1,125,848.00 = 493,469.08 : x - Step 2: Convert to fraction form
815,756.67/1,125,848.00 = 493,469.08/x - Step 3: Cross multiply
815,756.67x = 1,125,848.00 × 493,469.08 - Step 4: Simplify right side
815,756.67x = 555,571,175,892.81 - Step 5: Solve for x
x = 555,571,175,892.81/815,756.67 - Step 6: Final answer
x = 681,050.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.