Finding the Fourth Proportional to 979,408.37, 1,351,583.55 and 549,688.50
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Solution
The fourth proportional to 979,408.37, 1,351,583.55 and 549,688.50 is: 758,570.13
Step by Step Solution
- Step 1: Write the proportion equation
979,408.37 : 1,351,583.55 = 549,688.50 : x - Step 2: Convert to fraction form
979,408.37/1,351,583.55 = 549,688.50/x - Step 3: Cross multiply
979,408.37x = 1,351,583.55 × 549,688.50 - Step 4: Simplify right side
979,408.37x = 742,949,934,863.31 - Step 5: Solve for x
x = 742,949,934,863.31/979,408.37 - Step 6: Final answer
x = 758,570.13
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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.