Finding the Fourth Proportional to 589,854.42, 813,991.36 and 331,731.31
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Solution
The fourth proportional to 589,854.42, 813,991.36 and 331,731.31 is: 457,784.86
Step by Step Solution
- Step 1: Write the proportion equation
589,854.42 : 813,991.36 = 331,731.31 : x - Step 2: Convert to fraction form
589,854.42/813,991.36 = 331,731.31/x - Step 3: Cross multiply
589,854.42x = 813,991.36 × 331,731.31 - Step 4: Simplify right side
589,854.42x = 270,026,420,181.48 - Step 5: Solve for x
x = 270,026,420,181.48/589,854.42 - Step 6: Final answer
x = 457,784.86
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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.