Finding the Fourth Proportional to 849,195.90, 1,171,756.94 and 486,549.99
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Solution
The fourth proportional to 849,195.90, 1,171,756.94 and 486,549.99 is: 671,362.55
Step by Step Solution
- Step 1: Write the proportion equation
849,195.90 : 1,171,756.94 = 486,549.99 : x - Step 2: Convert to fraction form
849,195.90/1,171,756.94 = 486,549.99/x - Step 3: Cross multiply
849,195.90x = 1,171,756.94 × 486,549.99 - Step 4: Simplify right side
849,195.90x = 570,118,325,006.68 - Step 5: Solve for x
x = 570,118,325,006.68/849,195.90 - Step 6: Final answer
x = 671,362.55
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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.