Finding the Fourth Proportional to 849,433.03, 1,172,221.47 and 486,878.09
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Solution
The fourth proportional to 849,433.03, 1,172,221.47 and 486,878.09 is: 671,894.00
Step by Step Solution
- Step 1: Write the proportion equation
849,433.03 : 1,172,221.47 = 486,878.09 : x - Step 2: Convert to fraction form
849,433.03/1,172,221.47 = 486,878.09/x - Step 3: Cross multiply
849,433.03x = 1,172,221.47 × 486,878.09 - Step 4: Simplify right side
849,433.03x = 570,728,953,301.15 - Step 5: Solve for x
x = 570,728,953,301.15/849,433.03 - Step 6: Final answer
x = 671,894.00
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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.