Finding the Fourth Proportional to 866,419.90, 1,299,716.70 and 297,726.10
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Solution
The fourth proportional to 866,419.90, 1,299,716.70 and 297,726.10 is: 446,618.99
Step by Step Solution
- Step 1: Write the proportion equation
866,419.90 : 1,299,716.70 = 297,726.10 : x - Step 2: Convert to fraction form
866,419.90/1,299,716.70 = 297,726.10/x - Step 3: Cross multiply
866,419.90x = 1,299,716.70 × 297,726.10 - Step 4: Simplify right side
866,419.90x = 386,959,584,195.87 - Step 5: Solve for x
x = 386,959,584,195.87/866,419.90 - Step 6: Final answer
x = 446,618.99
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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.