Finding the Fourth Proportional to 751,567.09, 1,127,070.78 and 302,136.70
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Solution
The fourth proportional to 751,567.09, 1,127,070.78 and 302,136.70 is: 453,092.55
Step by Step Solution
- Step 1: Write the proportion equation
751,567.09 : 1,127,070.78 = 302,136.70 : x - Step 2: Convert to fraction form
751,567.09/1,127,070.78 = 302,136.70/x - Step 3: Cross multiply
751,567.09x = 1,127,070.78 × 302,136.70 - Step 4: Simplify right side
751,567.09x = 340,529,446,135.63 - Step 5: Solve for x
x = 340,529,446,135.63/751,567.09 - Step 6: Final answer
x = 453,092.55
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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.