Finding the Fourth Proportional to 705,801.71, 973,989.26 and 395,683.75
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Solution
The fourth proportional to 705,801.71, 973,989.26 and 395,683.75 is: 546,033.99
Step by Step Solution
- Step 1: Write the proportion equation
705,801.71 : 973,989.26 = 395,683.75 : x - Step 2: Convert to fraction form
705,801.71/973,989.26 = 395,683.75/x - Step 3: Cross multiply
705,801.71x = 973,989.26 × 395,683.75 - Step 4: Simplify right side
705,801.71x = 385,391,722,856.53 - Step 5: Solve for x
x = 385,391,722,856.53/705,801.71 - Step 6: Final answer
x = 546,033.99
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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.