Finding the Fourth Proportional to 866,308.92, 1,293,118.14 and 764,044.80
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Solution
The fourth proportional to 866,308.92, 1,293,118.14 and 764,044.80 is: 1,140,470.99
Step by Step Solution
- Step 1: Write the proportion equation
866,308.92 : 1,293,118.14 = 764,044.80 : x - Step 2: Convert to fraction form
866,308.92/1,293,118.14 = 764,044.80/x - Step 3: Cross multiply
866,308.92x = 1,293,118.14 × 764,044.80 - Step 4: Simplify right side
866,308.92x = 988,000,190,652.67 - Step 5: Solve for x
x = 988,000,190,652.67/866,308.92 - Step 6: Final answer
x = 1,140,470.99
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.