Finding the Fourth Proportional to 980,408.09, 1,470,625.80 and 260,762.07
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Solution
The fourth proportional to 980,408.09, 1,470,625.80 and 260,762.07 is: 391,146.74
Step by Step Solution
- Step 1: Write the proportion equation
980,408.09 : 1,470,625.80 = 260,762.07 : x - Step 2: Convert to fraction form
980,408.09/1,470,625.80 = 260,762.07/x - Step 3: Cross multiply
980,408.09x = 1,470,625.80 × 260,762.07 - Step 4: Simplify right side
980,408.09x = 383,483,427,803.41 - Step 5: Solve for x
x = 383,483,427,803.41/980,408.09 - Step 6: Final answer
x = 391,146.74
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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.