Finding the Fourth Proportional to 911,471.86, 1,367,499.84 and 638,202.70
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Solution
The fourth proportional to 911,471.86, 1,367,499.84 and 638,202.70 is: 957,508.54
Step by Step Solution
- Step 1: Write the proportion equation
911,471.86 : 1,367,499.84 = 638,202.70 : x - Step 2: Convert to fraction form
911,471.86/1,367,499.84 = 638,202.70/x - Step 3: Cross multiply
911,471.86x = 1,367,499.84 × 638,202.70 - Step 4: Simplify right side
911,471.86x = 872,742,090,137.57 - Step 5: Solve for x
x = 872,742,090,137.57/911,471.86 - Step 6: Final answer
x = 957,508.54
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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.