Finding the Fourth Proportional to 749,608.42, 1,124,782 and 350,276.80
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Solution
The fourth proportional to 749,608.42, 1,124,782 and 350,276.80 is: 525,587.80
Step by Step Solution
- Step 1: Write the proportion equation
749,608.42 : 1,124,782 = 350,276.80 : x - Step 2: Convert to fraction form
749,608.42/1,124,782 = 350,276.80/x - Step 3: Cross multiply
749,608.42x = 1,124,782 × 350,276.80 - Step 4: Simplify right side
749,608.42x = 393,985,039,657.60 - Step 5: Solve for x
x = 393,985,039,657.60/749,608.42 - Step 6: Final answer
x = 525,587.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.