Finding the Fourth Proportional to 865,558.20, 1,194,452.79 and 526,135.80
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Solution
The fourth proportional to 865,558.20, 1,194,452.79 and 526,135.80 is: 726,056.75
Step by Step Solution
- Step 1: Write the proportion equation
865,558.20 : 1,194,452.79 = 526,135.80 : x - Step 2: Convert to fraction form
865,558.20/1,194,452.79 = 526,135.80/x - Step 3: Cross multiply
865,558.20x = 1,194,452.79 × 526,135.80 - Step 4: Simplify right side
865,558.20x = 628,444,374,228.88 - Step 5: Solve for x
x = 628,444,374,228.88/865,558.20 - Step 6: Final answer
x = 726,056.75
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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.