Finding the Fourth Proportional to 865,032.87, 1,193,722.20 and 477,839.94
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Solution
The fourth proportional to 865,032.87, 1,193,722.20 and 477,839.94 is: 659,406.32
Step by Step Solution
- Step 1: Write the proportion equation
865,032.87 : 1,193,722.20 = 477,839.94 : x - Step 2: Convert to fraction form
865,032.87/1,193,722.20 = 477,839.94/x - Step 3: Cross multiply
865,032.87x = 1,193,722.20 × 477,839.94 - Step 4: Simplify right side
865,032.87x = 570,408,144,424.67 - Step 5: Solve for x
x = 570,408,144,424.67/865,032.87 - Step 6: Final answer
x = 659,406.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.