Finding the Fourth Proportional to 846,069.32, 1,268,472.78 and 509,030.99
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Solution
The fourth proportional to 846,069.32, 1,268,472.78 and 509,030.99 is: 763,166.73
Step by Step Solution
- Step 1: Write the proportion equation
846,069.32 : 1,268,472.78 = 509,030.99 : x - Step 2: Convert to fraction form
846,069.32/1,268,472.78 = 509,030.99/x - Step 3: Cross multiply
846,069.32x = 1,268,472.78 × 509,030.99 - Step 4: Simplify right side
846,069.32x = 645,691,948,649.09 - Step 5: Solve for x
x = 645,691,948,649.09/846,069.32 - Step 6: Final answer
x = 763,166.73
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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.