Finding the Fourth Proportional to 705,801.96, 973,989.61 and 395,683.99
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Solution
The fourth proportional to 705,801.96, 973,989.61 and 395,683.99 is: 546,034.32
Step by Step Solution
- Step 1: Write the proportion equation
705,801.96 : 973,989.61 = 395,683.99 : x - Step 2: Convert to fraction form
705,801.96/973,989.61 = 395,683.99/x - Step 3: Cross multiply
705,801.96x = 973,989.61 × 395,683.99 - Step 4: Simplify right side
705,801.96x = 385,392,091,679.16 - Step 5: Solve for x
x = 385,392,091,679.16/705,801.96 - Step 6: Final answer
x = 546,034.32
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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.