Finding the Fourth Proportional to 750,618.78, 1,125,558.81 and 351,049.02
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Solution
The fourth proportional to 750,618.78, 1,125,558.81 and 351,049.02 is: 526,400.79
Step by Step Solution
- Step 1: Write the proportion equation
750,618.78 : 1,125,558.81 = 351,049.02 : x - Step 2: Convert to fraction form
750,618.78/1,125,558.81 = 351,049.02/x - Step 3: Cross multiply
750,618.78x = 1,125,558.81 × 351,049.02 - Step 4: Simplify right side
750,618.78x = 395,126,317,202.87 - Step 5: Solve for x
x = 395,126,317,202.87/750,618.78 - Step 6: Final answer
x = 526,400.79
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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.