Finding the Fourth Proportional to 721,655.66, 1,082,186.84 and 216,038.06
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Solution
The fourth proportional to 721,655.66, 1,082,186.84 and 216,038.06 is: 323,968.28
Step by Step Solution
- Step 1: Write the proportion equation
721,655.66 : 1,082,186.84 = 216,038.06 : x - Step 2: Convert to fraction form
721,655.66/1,082,186.84 = 216,038.06/x - Step 3: Cross multiply
721,655.66x = 1,082,186.84 × 216,038.06 - Step 4: Simplify right side
721,655.66x = 233,793,545,471.13 - Step 5: Solve for x
x = 233,793,545,471.13/721,655.66 - Step 6: Final answer
x = 323,968.28
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.