Finding the Fourth Proportional to 849,486.68, 1,172,121.68 and 487,024.23
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Solution
The fourth proportional to 849,486.68, 1,172,121.68 and 487,024.23 is: 671,996.01
Step by Step Solution
- Step 1: Write the proportion equation
849,486.68 : 1,172,121.68 = 487,024.23 : x - Step 2: Convert to fraction form
849,486.68/1,172,121.68 = 487,024.23/x - Step 3: Cross multiply
849,486.68x = 1,172,121.68 × 487,024.23 - Step 4: Simplify right side
849,486.68x = 570,851,656,233.19 - Step 5: Solve for x
x = 570,851,656,233.19/849,486.68 - Step 6: Final answer
x = 671,996.01
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.