Finding the Fourth Proportional to 984,235.05, 1,358,244.40 and 531,526.05
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Solution
The fourth proportional to 984,235.05, 1,358,244.40 and 531,526.05 is: 733,505.97
Step by Step Solution
- Step 1: Write the proportion equation
984,235.05 : 1,358,244.40 = 531,526.05 : x - Step 2: Convert to fraction form
984,235.05/1,358,244.40 = 531,526.05/x - Step 3: Cross multiply
984,235.05x = 1,358,244.40 × 531,526.05 - Step 4: Simplify right side
984,235.05x = 721,942,280,866.62 - Step 5: Solve for x
x = 721,942,280,866.62/984,235.05 - Step 6: Final answer
x = 733,505.97
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1.5x scale
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.