Finding the Fourth Proportional to 702,966.70, 1,054,903.65 and 387,649.90
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Solution
The fourth proportional to 702,966.70, 1,054,903.65 and 387,649.90 is: 581,724.99
Step by Step Solution
- Step 1: Write the proportion equation
702,966.70 : 1,054,903.65 = 387,649.90 : x - Step 2: Convert to fraction form
702,966.70/1,054,903.65 = 387,649.90/x - Step 3: Cross multiply
702,966.70x = 1,054,903.65 × 387,649.90 - Step 4: Simplify right side
702,966.70x = 408,933,294,432.14 - Step 5: Solve for x
x = 408,933,294,432.14/702,966.70 - Step 6: Final answer
x = 581,724.99
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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.