Finding the Fourth Proportional to 716,295.58, 987,982.10 and 608,121.08
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Solution
The fourth proportional to 716,295.58, 987,982.10 and 608,121.08 is: 838,777.68
Step by Step Solution
- Step 1: Write the proportion equation
716,295.58 : 987,982.10 = 608,121.08 : x - Step 2: Convert to fraction form
716,295.58/987,982.10 = 608,121.08/x - Step 3: Cross multiply
716,295.58x = 987,982.10 × 608,121.08 - Step 4: Simplify right side
716,295.58x = 600,812,741,672.67 - Step 5: Solve for x
x = 600,812,741,672.67/716,295.58 - Step 6: Final answer
x = 838,777.68
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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.